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Katherine Sandell: estimated dynamic rating

Katherine Sandell
USTA3.5
Bay Club Courtside
3.35
Estimated dynamic rating
▲ +0.56 this season
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Combo · 2026
6 matches
3.493.383.26
Jan · 3.30
Oct · 3.49
Oct 27 · Doubles+0.10
W S. Onffroy / C. Fabie
6-2,6-2 · 1D · with Joni Bartlett
Your combo rating, from combo matches only. It doesn’t move your 3.35.● 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

40 matches

Published NorCal results in 2026 — 23 scoring, 17 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 27, 2026 · Doubles · 1D · Combo

Won 6-2,6-2
+0.10

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.49
Joni Bartlett(partner)Currently on BAY CLUB COURTSIDE CW8.5B
3.53

Opponents

Susan OnffroyCurrently on BAY CLUB SANTA CLARA 55MX8.0A
3.48
Corrine FabieCurrently on BAY CLUB SANTA CLARA CW7.5A
3.22
Combo rating 3.39 → 3.49Doubles result

Oct 25, 2026 · Doubles · 2D · Combo

Won 6-3,6-2
+0.05

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.49
Unjin Choi(partner)Currently on BAY CLUB COURTSIDE CW7.5A
3.63

Opponents

Joni MahoneyCurrently on BAY CLUB SANTA CLARA 55MX7.0A
3.33
Jing GuCurrently on BAY CLUB SF TENNIS CW7.5A
3.03
Combo rating 3.34 → 3.39Doubles result

Oct 24, 2026 · Doubles · 2D · Combo

Won 6-4,6-4
+0.05

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.49
Michelle Angel(partner)Currently on BAY CLUB COURTSIDE CW6.5A-DT
3.06

Opponents

Michelle BlakeCurrently on FOOTHILLS TandS CW6.5A-DT
3.09
Julia MartinoCurrently on FOOTHILLS TandS CW6.5A-DT
3.19
Combo rating 3.30 → 3.34Doubles result

Sep 12, 2026 · Doubles · 2D · Combo

Won 6-3,6-3
+0.04

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.49
Ann Kerdchonphet(partner)Currently on SUNNYVALE MTC CW6.5D
3.43

Opponents

Deborah BakerCurrently on MORGAN HILL TC/MORGAN HILL TC CW5.5A-DT
2.87
Tina ClarkCurrently on MORGAN HILL TC CW6.5A-DT
3.15
Combo rating 3.26 → 3.30Doubles result

Sep 8, 2026 · Doubles · 1D · Combo

Lost 6-7,1-6
−0.06

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.49
Hilary Butler(partner)Currently on BAY CLUB COURTSIDE CW7.5B-DT
3.52

Opponents

Allison RissoCurrently on LOS GATOS SR CW8.5A
3.83
Jennifer HaggertyCurrently on SUNNYVALE TC/SUNNYVALE MTC CW6.5C
3.63
Combo rating 3.32 → 3.26Doubles result

Aug 16, 2026 · Doubles · 3D · Mixed

Lost 3-6,3-6
−0.11

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Steve Fisher(partner)Currently on LADERA OAKS CM7.5A
3.46

Opponents

Chen WangCurrently on SUNNYVALE TC/SUNNYVALE MTC CM6.5A
3.67
Lan WuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
3.74
Mixed rating 3.60 → 3.50Doubles result

Jul 11, 2026 · Doubles · Mixed

Lost 3-6,1-6
−0.03

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Ahmer Khan(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5C
3.54

Opponents

Jieying ShiCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A-DT
4.05
Tom WangCurrently on EVERGREEN VALLEY COLLEGE CM6.5A
4.10
Mixed rating 3.54 → 3.51Doubles result

Jul 10, 2026 · Doubles · Mixed

Lost 1-6,6-4,0-1
−0.08

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
David Lilienstein(partner)Currently on BAY CLUB COURTSIDE CM6.5A
3.13

Opponents

Catherine LiangCurrently on SILVER CREEK CW7.5A
3.75
Phill SohnCurrently on SILVER CREEK CM6.5A
3.08
Mixed rating 3.62 → 3.54Doubles result

Jul 2, 2026 · Doubles · Mixed

Won 6-4,6-1
+0.05

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Scott Pettitt(partner)Currently on MORGAN HILL TC/MORGAN HILL TC CM6.5A
3.46

Opponents

Johnson FongCurrently on CUPERTINO TC/CUPERTINO SC CM6.5A-DT
2.88
Cindy JeungCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.44
Mixed rating 3.58 → 3.62Doubles result

Jun 28, 2026 · Doubles

Lost 3-6,6-7
−0.13

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35
Camille Freeman(partner)Currently on BAY CLUB COURTSIDE CW6.5A
3.54

Opponents

Zixiao ChengCurrently on SUNNYVALE MTC CW7.5B
3.59
Eva WuCurrently on SUNNYVALE MTC CW6.5B
3.30
Rating 3.47 → 3.35Doubles result

Jun 14, 2026 · Doubles

Won 6-2,6-2
+0.18

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35
Camille Freeman(partner)Currently on BAY CLUB COURTSIDE CW6.5A
3.54

Opponents

Quynh LuuCurrently on BAY CLUB COURTSIDE CW7.5B-DT
3.40
Judy HsuCurrently on BAY CLUB SANTA CLARA CW7.5A
3.51
Rating 3.43 → 3.61Doubles result

Jun 14, 2026 · Singles

Lost 2-6,0-6
−0.13

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Ke LiuCurrently on SUNNYVALE MTC CW6.5D
3.35
Rating 3.61 → 3.47Singles result

Jun 1, 2026 · Singles

Lost 1-6,1-6
−0.01

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Kelly NicholsCurrently on LOS GATOS SR CW8.5A-DT
4.02
Rating 3.44 → 3.43Singles result

May 17, 2026 · Singles

Lost 5-7,6-1,0-1
−0.03

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Monica HarvinCurrently on CHAMISAL TC CW7.5A
3.78
Rating 3.40 → 3.37Singles result

May 10, 2026 · Doubles

Lost 2-6,4-6
−0.03

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35
Hilary Butler(partner)Currently on BAY CLUB COURTSIDE CW7.5B-DT
3.79

Opponents

Runa KoizumiCurrently on SUNNYVALE TC/SUNNYVALE MTC CW6.5A-DT
3.78
Puhe LiangCurrently on SUNNYVALE MTC CW7.5B
3.74
Rating 3.43 → 3.40Doubles result

May 9, 2026 · Singles

Won 7-6,4-6,1-0
+0.04

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Sheba NaderzadCurrently on ALMADEN VAC CW7.5A
3.12
Rating 3.40 → 3.43Singles result

May 2, 2026 · Doubles

Lost 3-6,4-6
−0.13

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35
Sonia Whitfield(partner)Currently on BAY CLUB COURTSIDE CW7.5A
3.26

Opponents

Mai PhamCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.57
Anna AnCurrently on SUNNYVALE MTC CW6.5B
3.20
Rating 3.53 → 3.40Doubles result

Apr 14, 2026 · Singles

Won 7-5,4-6,1-0
+0.16

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Abbie SerranoCurrently on MORGAN HILL TC/MORGAN HILL TC CW7.5A-DT
3.63
Rating 3.46 → 3.62Singles result

Apr 12, 2026 · Doubles

Won 4-6,6-4,1-0
+0.20

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35
Heather La France(partner)Currently on SUNNYVALE MTC CW8.5D
3.83

Opponents

Rachel BanseCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.78
Michele RumfolaCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.87
Rating 3.26 → 3.46Doubles result

Mar 15, 2026 · Doubles

Lost 5-7,4-6
−0.20

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35
Inna Cantor(partner)Currently on BAY CLUB COURTSIDE CW6.5A
3.16

Opponents

Julie SchwarzCurrently on LOS GATOS SR CW6.5A-DT
3.10
Ellie GholamiCurrently on LOS GATOS SR CW6.5A-DT
3.22
Rating 3.52 → 3.32Doubles result

Mar 14, 2026 · Singles

Lost 4-6,1-6
−0.01

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Yan MooreCurrently on SUNNYVALE MTC CW8.5E
4.30
Rating 3.53 → 3.52Singles result

Mar 12, 2026 · Doubles · Mixed

Lost 1-6,7-5,0-1
−0.07

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Rodley Fabie(partner)Currently on SILVER CREEK CM7.5A
3.55

Opponents

Michael Zhang
3.65
Dan SuCurrently on SUNNYVALE MTC CW8.5E
3.78
Mixed rating 3.65 → 3.58Doubles result

Mar 7, 2026 · Singles

Lost 5-7,6-1,0-1
−0.07

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Marina ObyrneCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.63
Rating 3.60 → 3.53Singles result

Mar 6, 2026 · Singles

Lost 2-6,5-7
−0.12

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Vesna Mardesic
3.54
Rating 3.72 → 3.60Singles result

Mar 2, 2026 · Doubles · Mixed

Won 6-4,7-5
+0.11

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
William Africa(partner)Currently on BAY CLUB SANTA CLARA CM7.5A
3.65

Opponents

Guangyu XuCurrently on RINCONADA PK 55MX8.0A
3.80
Stacey WangCurrently on SUNNYVALE MTC CW6.5D
3.05
Mixed rating 3.54 → 3.65Doubles result

Mar 1, 2026 · Doubles · Mixed

Won 3-6,6-2,1-0
+0.10

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Steve Fisher(partner)Currently on LADERA OAKS CM7.5A
3.46

Opponents

Kristine YuenCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A
3.72
Matt Cheung
3.13
Mixed rating 3.44 → 3.54Doubles result

Feb 27, 2026 · Doubles

Won 6-4,6-3
+0.08

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35
Camille Freeman(partner)Currently on BAY CLUB COURTSIDE CW6.5A
3.54

Opponents

Susan EdwardsCurrently on BAY CLUB COURTSIDE CW7.5B-DT
3.33
Shawna BallardCurrently on BAY CLUB SANTA CLARA 55MX7.0A
3.09
Rating 3.58 → 3.65Doubles result

Feb 25, 2026 · Singles

Lost 2-6,5-7
−0.03

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Lienchi Jamie NguyenCurrently on MORGAN HILL TC/MORGAN HILL TC CW8.5A
3.92
Rating 3.61 → 3.58Singles result

Jan 24, 2026 · Singles

Won 7-6,7-5
+0.20

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Christine BreenCurrently on RIDGEMARK G&CC 55MX7.0A
3.54
Rating 3.42 → 3.61Singles result

Jan 20, 2026 · Singles

Lost 1-6,3-6
−0.07

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Catherine CaouetteCurrently on ALMADEN SR CW7.5A
3.69
Rating 3.49 → 3.42Singles result

Jan 19, 2026 · Doubles · Mixed

Lost 1-6,6-4,0-1
−0.07

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Ahmer Khan(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5C
3.54

Opponents

Abhishek AroraCurrently on SUNNYVALE MTC CM7.5F
3.72
Eunjung ChangCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A
3.66
Mixed rating 3.52 → 3.44Doubles result

Jan 17, 2026 · Doubles · Mixed

Won 5-7,6-3,1-0
+0.20

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Marco Kraus(partner)Currently on FREMONT TC CM9.5A
4.57

Opponents

Dylan Zhou
4.13
Tracy FujiedaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
3.88
Mixed rating 3.31 → 3.52Doubles result

Jan 15, 2026 · Singles

Won 6-1,6-7,1-0
+0.07

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.35

Opponents

Kathy KellerCurrently on ALMADEN VAC CW6.5A
3.26
Rating 3.41 → 3.49Singles result

Jan 8, 2026 · Doubles · Mixed

Won 7-6,5-7,1-0
+0.09

Katherine’s side

Katherine SandellCurrently on BAY CLUB COURTSIDE CW7.5A
3.50
Rodley Fabie(partner)Currently on SILVER CREEK CM7.5A
3.55

Opponents

Monika MilesCurrently on ALMADEN VAC CW7.5A
3.38
Vladimir LibershteynCurrently on SUNNYVALE TC/SUNNYVALE MTC CM7.5C
3.27
Mixed rating 3.22 → 3.31Doubles result

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

Best match
+0.10
Oct 27 vs S. Onffroy / C. Fabie
Worst match
−0.06
Sep 8 vs A. Risso / J. Haggerty
Where you started ›2.79
2023 year-end NTRP 3.02.65
Scale calibration+0.14
Season start2.79
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−0.172.62
Pulled toward the 2025 year-end level−0.013.41

More about Katherine

Katherine Sandell has been a USTA NorCal 3.5 since 2025, after starting at 3.0 in 2022. The estimated dynamic rating is 3.35, up 0.56 this season, with a 22–20 record in 2026 across regular, combo and mixed play. Most frequent partner: Camille Freeman, 5–2 in 7 matches together.

Record

22–20
2026 season, 42 matches
28–22
2025 season, 50 matches
7
Longest winning streak
14–17
Matches that went to a third set or match tiebreak

Partners

Best wins

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

Year-end NTRP, 2022–2026

3.0 from 2022 to 2024 and 3.5 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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