Stephanie Keller: 4.34 estimated dynamic rating · Sunnyvale TC/Sunnyvale MTC

MatchPoint

Player profile

Stephanie Keller

USTA4.5

Sunnyvale TC/Sunnyvale MTC

4.34

Estimated dynamic rating

▲ +0.45 this season

Is this you?Track your rating after each match, plus your teams' standings and playoff chances.This is me ›

Active teams · 3

GUNN HS CW8.5A →2026 Combo Womens League 8.5 SUNNYVALE TC/SUNNYVALE MTC CW8.5A →2026 Combo Womens League 8.5 SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT →2026 Combo Womens Daytime League 8.5

Combo · 2026

25 matches

Jan · 4.42

Oct · 4.16

Oct 31 · Doubles+0.11

W K. Tasker / P. Mayerfeld

6-3,7-6 · 3D · with Bridget Cash

Your combo rating, from combo matches only. It doesn’t move your 4.34.● Won ● Lost · Select a point to see that match.Your whole season is recalculated daily, so earlier points can shift as new results come in.

Current season

36 matches

Published NorCal results in 2026 — 11 scoring, 25 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 31, 2026 · Doubles · 3D · Combo

Won 6-3,7-6

+0.11

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Bridget Cash(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

3.96

Opponents

Kirsten TaskerCurrently on SUNNYVALE MTC CW8.5B

4.21

Pam MayerfeldCurrently on SUNNYVALE MTC CW8.5B

3.65

Combo rating 4.05 → 4.16Doubles result

Oct 26, 2026 · Doubles · 1D · Combo

Won 6-3,6-4

+0.22

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Eri Koike(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.64

Opponents

Denise HartfieldCurrently on LOS GATOS SR CW9.5A

4.39

Kim HalvorsenCurrently on SEASCAPE SC CW8.5A

4.20

Combo rating 3.84 → 4.05Doubles result

Oct 24, 2026 · Doubles · 3D · Combo

Lost 3-6,6-3,0-1

−0.04

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Julie Colwell(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

3.84

Opponents

Jennifer FongCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A

4.70

Yiwen XieCurrently on SUNNYVALE MTC CW8.5C

4.18

Combo rating 3.88 → 3.84Doubles result

Oct 23, 2026 · Doubles · 2D · Combo

Lost 5-7,6-2,0-1

−0.08

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Bridget Cash(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

3.96

Opponents

Yuki BrandtCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A-DT

4.38

Tracy FujiedaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F

4.00

Combo rating 3.96 → 3.88Doubles result

Oct 11, 2026 · Doubles · 2D · Combo

Lost 4-6,4-6

−0.15

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Kristin Ostby(partner)Currently on GUNN HS CW8.5A

3.95

Opponents

Winnie ZhangCurrently on SUNNYVALE MTC CW9.5A

4.24

Zixiao ChengCurrently on SUNNYVALE MTC CW7.5B

3.90

Combo rating 4.11 → 3.96Doubles result

Oct 10, 2026 · Doubles · 2D · Combo

Won 6-1,6-1

+0.03

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Julie Colwell(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

3.84

Opponents

Mika TsuchiiwaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F

3.69

Teresa KingCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F

3.70

Combo rating 4.08 → 4.11Doubles result

Sep 13, 2026 · Doubles · 3D · Combo

Lost 2-6,0-6

−0.05

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Sue Kim(partner)Currently on GUNN HS CW8.5A

3.69

Opponents

Vanessa GracianoCurrently on RINCONADA PK CW8.5A

4.49

Keri SmithCurrently on RINCONADA PK CW8.5A

4.53

Combo rating 4.22 → 4.17Doubles result

Sep 13, 2026 · Doubles · 1D · Combo

Lost 1-6,4-6

−0.09

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Jennifer Seto(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.12

Opponents

Jackie FentonCurrently on SUNNYVALE MTC CW8.5B

4.27

Daisy LewisCurrently on SUNNYVALE MTC CW8.5B

4.59

Combo rating 4.17 → 4.08Doubles result

Sep 7, 2026 · Doubles · 1D · Combo

Lost 4-6,6-7

−0.08

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Bridget Cash(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

3.96

Opponents

Carol WangCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT

4.19

Blake YangCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT

4.34

Combo rating 4.30 → 4.22Doubles result

Sep 5, 2026 · Doubles · 3D · Combo

Lost 6-2,5-7,0-1

−0.12

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Michele Brown(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.10

Opponents

Shaun BaoerjiinCurrently on SUNNYVALE MTC CW8.5B

4.17

Simran KhadkaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A

4.07

Combo rating 4.42 → 4.30Doubles result

Jul 11, 2026 · Doubles · Combo

Won 6-4,2-6,1-0

+0.09

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Claiborne Brown(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A

3.79

Opponents

Angela MerolaCurrently on PETALUMA TA/CASA GRANDE HS CW8.5A

4.18

Donna VisCurrently on PLEASANTON CW8.5B

3.94

Combo rating 4.33 → 4.42Doubles result

Jul 10, 2026 · Doubles · Combo

Won 7-6,5-7,1-0

+0.06

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Claiborne Brown(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A

3.79

Opponents

Kris HinckleyCurrently on MARIN TC CW8.5A

3.80

Karla BoisvertCurrently on MARIN TC CW8.5A

4.20

Combo rating 4.27 → 4.33Doubles result

Jun 14, 2026 · Doubles · Combo

Lost 3-6,7-5,0-1

−0.04

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Noriko Osawa(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.40

Opponents

Michele LindzyCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 55MX8.0A

4.27

Shelly Bartlett Sweeney

4.81

Combo rating 4.31 → 4.27Doubles result

May 23, 2026 · Doubles · Combo

Lost 6-7,5-7

−0.04

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Alicia Van Fleteren(partner)Currently on SEASCAPE SC 55MX9.0A

4.19

Opponents

Denise AlbertoCurrently on LOS GATOS SR CW9.5A

4.40

Denise HartfieldCurrently on LOS GATOS SR CW9.5A

4.39

Combo rating 4.35 → 4.31Doubles result

May 17, 2026 · Doubles · Combo

Lost 6-7,6-4,0-1

−0.05

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.17

Opponents

Andrea BarnesCurrently on SHARON HTS CC CW8.5A

4.38

Ann JaquithCurrently on UNIVERSITY CLUB PA 55MX9.0A

4.43

Combo rating 4.40 → 4.35Doubles result

May 16, 2026 · Doubles · Combo

Won 6-2,6-1

+0.07

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Claiborne Brown(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A

3.79

Opponents

Alice IsaacsonCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A

3.16

Robin Johnston

4.18

Combo rating 4.34 → 4.40Doubles result

May 10, 2026 · Doubles · Combo

Lost 3-6,0-6

−0.03

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.17

Opponents

Kristine AvilaCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A-DT

4.53

Erin GreenCurrently on ARAGON HS 55MX9.0A

4.67

Combo rating 4.37 → 4.34Doubles result

May 9, 2026 · Doubles · Combo

Lost 1 RE-0

−0.22

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Paula Guslani(partner)Currently on LOS ALTOS GCC CW7.5A-DT

3.57

Opponents

Delphine HillCurrently on SAN CARLOS TC/ARGUELLO PK CW7.5B

3.50

Christine Collom-Yang

3.62

Combo rating 4.59 → 4.37Doubles result

May 6, 2026 · Doubles · Combo

Won 6-1,6-1

+0.00

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Claiborne Brown(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A

3.79

Opponents

Chie ImperatoCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW6.5A-DT

3.27

Hong YuCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A

3.38

Combo rating 4.58 → 4.59Doubles result

May 2, 2026 · Doubles · Combo

Lost 4-6,2-6

−0.05

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Reid Myers(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.08

Opponents

Leslie Airola-MurveitCurrently on SHARON HTS CC CW8.5A

4.52

Janise Taylor

4.72

Combo rating 4.63 → 4.58Doubles result

Apr 19, 2026 · Doubles · Combo

Lost 6-4,3-6,0-1

−0.17

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Reid Myers(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.08

Opponents

Elena CarusoCurrently on HIGHLANDS REC CENTER CW8.5A

3.84

Christine DumeryCurrently on LOS GATOS SR 55MX9.0A

4.08

Combo rating 4.80 → 4.63Doubles result

Apr 4, 2026 · Doubles · Combo

Won 6-3,6-3

+0.07

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.17

Opponents

Holly WilliamsCurrently on SHARON HTS CC CW8.5A

4.09

Lynette Van DellCurrently on UNIVERSITY CLUB PA 55MX9.0A

3.90

Combo rating 4.73 → 4.80Doubles result

Mar 30, 2026 · Doubles · Combo

Won 6-0,6-1

+0.00

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Claiborne Brown(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A

3.79

Opponents

Wendy KawamotoCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A

3.08

Hong YuCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A

3.38

Combo rating 4.73 → 4.73Doubles result

Mar 29, 2026 · Doubles · Combo

Won 7-6,6-3

+0.15

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.17

Opponents

Sophie HeerinckxCurrently on LOS GATOS SR CW9.5A

4.30

Peggy SchatzmanCurrently on LOS GATOS SR CW9.5A

4.36

Combo rating 4.58 → 4.73Doubles result

Mar 14, 2026 · Doubles

Lost 7-5,4-6,0-1

−0.12

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Karen Cannon(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.47

Opponents

Emese Erdos

4.34

Sisine MercadoCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A

4.41

Rating 4.46 → 4.34Doubles result

Mar 8, 2026 · Doubles

Won 6-4,7-5

+0.14

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Noriko Osawa(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.45

Opponents

Shelly WallaceCurrently on BAY CLUB SANTA CLARA CW8.5A

4.35

Kyoko HubbardCurrently on LOS GATOS SR CW9.5A

4.37

Rating 4.32 → 4.46Doubles result

Feb 28, 2026 · Doubles

Lost 2-6,6-4,0-1

−0.09

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

May Wang(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F

4.21

Opponents

Liza GearyCurrently on SAN FRAN ST U CW9.5A

4.53

Alicia Van FleterenCurrently on SEASCAPE SC 55MX9.0A

4.41

Rating 4.40 → 4.32Doubles result

Feb 21, 2026 · Doubles

Lost 4-6,1-6

−0.09

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.20

Opponents

Wendy ChengCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A

4.51

Yiwei Chen

4.82

Rating 4.49 → 4.40Doubles result

Feb 20, 2026 · Doubles

Won 6-0,6-1

+0.02

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.20

Opponents

Tracy FujiedaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F

3.95

Cori MehringCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 55MX8.0A

3.87

Rating 4.41 → 4.43Doubles result

Feb 20, 2026 · Doubles

Won 6-3,6-4

+0.06

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Sarah Tomita(partner)Currently on MENLO ATHERTON HS CW8.5A

4.05

Opponents

Terri StraubeCurrently on SHARON HTS CC CW8.5A

4.34

Tracy CowperthwaiteCurrently on SHARON HTS CC CW8.5A

4.11

Rating 4.43 → 4.49Doubles result

Feb 8, 2026 · Doubles

Won 3-6,7-6,1-0

+0.11

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Karen Cannon(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.47

Opponents

Lina LiCurrently on SUNNYVALE MTC CW8.5D

4.35

Kelly UyemaCurrently on SUNNYVALE MTC CW8.5D

4.37

Rating 4.30 → 4.41Doubles result

Jan 31, 2026 · Doubles

Won 7-5,5-7,1-0

+0.08

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

May Wang(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F

4.21

Opponents

Patty ChengCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW9.5A

4.36

Velislava Balin

4.20

Rating 4.22 → 4.30Doubles result

Jan 29, 2026 · Doubles

Lost 4-6,4-6

−0.11

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Ike Bunanta(partner)Currently on SUNNYVALE MTC CW8.5B

4.25

Opponents

Shelly WallaceCurrently on BAY CLUB SANTA CLARA CW8.5A

4.35

Sumeeta VasishtaCurrently on CUESTA TC CW9.5A

4.56

Rating 4.32 → 4.22Doubles result

Jan 24, 2026 · Doubles · Combo

Won 6-4,6-7,1-0

+0.16

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.16

Sarah Speakman(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.24

Opponents

Kimberly Borah-SchulistCurrently on MARIN TC CW9.5A

4.45

Lisa EastlackCurrently on MARIN TC CW8.5A

4.21

Combo rating 4.42 → 4.58Doubles result

Jan 11, 2026 · Doubles

Lost 3-6,1-6

−0.09

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.20

Opponents

Erin GreenCurrently on ARAGON HS 55MX9.0A

4.55

Irene OttenCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CW8.5A-DT

4.63

Rating 4.42 → 4.32Doubles result

Jan 10, 2026 · Doubles

Won 6-2,6-2

+0.08

Stephanie’s side

Stephanie KellerCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT

4.34

Stephanie King(partner)Currently on UNIVERSITY CLUB PA 55MX9.0A

4.20

Opponents

Martha MatrisianCurrently on VALLEY VISTA RC/VVRC COURTS CW8.5A

4.28

Caitlin Finnell

4.08

Rating 4.34 → 4.42Doubles result

Combo results move their own rating, not your NTRP. USTA computes NTRP from adult singles and doubles only.

Best match

+0.22

Oct 26 vs D. Hartfield / K. Halvorsen

Worst match

−0.22

May 9 vs D. Hill / C. Collom-yang

Where you started ›3.89

2023 year-end NTRP 4.03.75

Scale calibration+0.14

Season start3.89

Your starting point comes from your official year-end NTRP, not from any third-party rating. The calibration is a fixed shift that puts our scale on the same level as NTRP.

▲

Combo and mixed matches aren’t included. This rating is built from standard men’s and women’s league play only — combo and mixed results feed your separate combo/mixed ratings, not this one.

Updated Nov 4

Year-end re-anchoring

Pulled toward the 2024 year-end level−0.143.75

Pulled toward the 2025 year-end level+0.044.34

More about Stephanie

Stephanie Keller has been a USTA NorCal 4.5 since 2025, after starting at 3.5 in 2018. The estimated dynamic rating is 4.34, up 0.45 this season, with a 17–19 record in 2026 across regular and combo play. Most frequent partner: Claiborne Brown, 9–1 in 10 matches together.

Record

17–19

2026 season, 36 matches

20–13

2025 season, 33 matches

Longest winning streak

6–15

Matches that went to a third set or match tiebreak

Partners

Claiborne Brown10 matches together9–1
Stephanie King10 matches together6–4
Bridget Cash8 matches together4–4

Best wins

Against the highest-rated opponents by year-end NTRP, this season and last.

d. Holly Williams (4.5) / Lynette Van Dell (4.5)Apr 4, 2026 · Combo6-3, 6-3
d. Sophie Heerinckx (4.5) / Peggy Schatzman (4.5)Mar 29, 2026 · Combo7-6, 6-3

Year-end NTRP, 2018–2026

3.5 in 2018, 3.0 in 2019, 3.5 from 2020 to 2021, 4.0 from 2022 to 2024 and 4.5 from 2025 to 2026.

MatchPoint's estimated dynamic rating is an independent estimate from published USTA NorCal league results through November 4, 2026. It is not a rating USTA calculates, and MatchPoint is not affiliated with USTA.

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Stephanie Keller: estimated dynamic rating

More about Stephanie

Record

Partners

Best wins

Year-end NTRP, 2018–2026

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