Ko-Yun Chen: 2.93 estimated dynamic rating · Bramhall PK

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Player profile

Ko-Yun Chen

USTA3.0

Bramhall PK

2.93

Estimated dynamic rating

▲ +0.64 this season

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Active teams

BRAMHALL PK CW7.5A →2026 Combo Womens League 7.5

Combo · 2026

6 matches

Jan · 3.33

Oct · 3.26

Oct 24 · Doubles−0.07

L D. Hudson / L. Roseman

0-6,2-6 · 3D · with Haiya Ye

Your combo rating, from combo matches only. It doesn’t move your 2.93.● 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

32 matches

Published NorCal results in 2026 — 13 scoring, 19 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 24, 2026 · Doubles · 3D · Combo

Lost 0-6,2-6

−0.07

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.26

Haiya Ye(partner)Currently on SUNNYVALE MTC CW6.5B

3.29

Opponents

Diane HudsonCurrently on BAY CLUB SANTA CLARA CW8.5A

3.58

Lauren RosemanCurrently on BAY CLUB COURTSIDE CW7.5B

3.50

Combo rating 3.33 → 3.26Doubles result

Oct 17, 2026 · Doubles · 2D · Combo

Lost 1-6,4-6

−0.03

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.26

Shan Sun(partner)Currently on SUNNYVALE MTC CW6.5B

3.51

Opponents

June KimCurrently on LOS GATOS SR CW7.5B

3.56

Aline LimaCurrently on SUNNYVALE MTC CW6.5C-DT

3.75

Combo rating 3.37 → 3.33Doubles result

Sep 10, 2026 · Doubles · 2D · Combo

Lost 4-6,1-6

−0.12

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.26

Yan Yin(partner)Currently on SUNNYVALE MTC CW5.5A

3.16

Opponents

Rini Sidartawan-LieCurrently on ALMADEN SR CW7.5A

3.40

Jill AndersonCurrently on ALMADEN SR CW7.5A

3.24

Combo rating 3.49 → 3.37Doubles result

Aug 8, 2026 · Doubles

Won 6-2,6-2

+0.20

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Yeping Hu(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW6.5C

3.18

Opponents

Ashley HellyerCurrently on RAFAEL RC CW7.5A

3.30

Brianna ThomsenCurrently on WIKIUP R SC CW6.5A

3.03

Rating 2.78 → 2.98Doubles result

Aug 8, 2026 · Doubles

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

−0.05

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Shan Sun(partner)Currently on SUNNYVALE MTC CW6.5B

3.11

Opponents

Jennie MccashinCurrently on ORINDA CC CW7.5A

3.08

Monica BrunCurrently on SLEEPY HOLLOW CW6.5A-DT

3.53

Rating 2.98 → 2.93Doubles result

Aug 7, 2026 · Doubles

Lost 5-7,6-7

−0.00

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Shan Sun(partner)Currently on SUNNYVALE MTC CW6.5B

3.11

Opponents

Suratwadee LakornwongCurrently on FOSTER CITY TC/EDGEWATER PK CW7.5A-DT

3.87

Cef Ella

3.67

Rating 2.78 → 2.78Doubles result

Jun 27, 2026 · Doubles

Won 6-0,6-0

+0.10

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Alexandra Koseva(partner)Currently on LOS GATOS SR CW6.5B

2.94

Opponents

Carol MuhnCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW5.5A

2.83

Grace PresaCurrently on MORGAN HILL TC/MORGAN HILL TC CW5.5A-DT

2.68

Rating 2.69 → 2.78Doubles result

Jun 14, 2026 · Singles

Lost 3-6,4-6

−0.14

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Opponents

Megan PacumioCurrently on SILVER CREEK CW6.5A-DT

3.05

Rating 2.83 → 2.69Singles result

Jun 12, 2026 · Doubles

Won 7-6,6-2

+0.22

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Runa Koizumi(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW6.5A-DT

3.78

Opponents

Sonia WhitfieldCurrently on BAY CLUB COURTSIDE CW7.5A

3.26

Stacie PittengerCurrently on SILVER CREEK CW7.5A

3.31

Rating 2.61 → 2.83Doubles result

Jun 7, 2026 · Doubles

Won 3-2 RE

+0.07

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Alexandra Koseva(partner)Currently on LOS GATOS SR CW6.5B

2.94

Opponents

Manqin ZhongCurrently on SUNNYVALE MTC CW5.5A

2.65

Jingyi MuCurrently on SUNNYVALE MTC CW5.5A

2.62

Rating 2.33 → 2.40Doubles result

Jun 7, 2026 · Doubles

Won 6-0,6-0

+0.20

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

You Li(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW6.5C

3.05

Opponents

Ivy(three Strikes Disqualification) LingCurrently on SUNNYVALE MTC CW6.5B

2.98

Nanxi LiCurrently on SUNNYVALE MTC CW6.5B

3.12

Rating 2.40 → 2.61Doubles result

May 24, 2026 · Singles

Won 6-2,6-1

+0.11

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Opponents

Shiyun WangCurrently on BAY CLUB SANTA CLARA CW5.5A

2.56

Rating 2.23 → 2.33Singles result

May 17, 2026 · Doubles

Lost 1-6,3-6

−0.06

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Shan Sun(partner)Currently on SUNNYVALE MTC CW6.5B

3.11

Opponents

Shanshan ChenCurrently on SUNNYVALE MTC CW6.5D

3.15

Zhen LiuCurrently on SUNNYVALE MTC CW6.5D

3.17

Rating 2.29 → 2.23Doubles result

May 6, 2026 · Doubles

Lost 5-7,3-6

−0.02

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Zixiao Cheng(partner)Currently on SUNNYVALE MTC CW7.5B

3.59

Opponents

Jennifer HaggertyCurrently on SUNNYVALE TC/SUNNYVALE MTC CW6.5C

3.33

Kristi ErpenbeckCurrently on LOS GATOS SR CW7.5B

3.25

Rating 2.31 → 2.29Doubles result

Apr 17, 2026 · Doubles

Lost 5-7,1-6

−0.03

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Shan Sun(partner)Currently on SUNNYVALE MTC CW6.5B

3.11

Opponents

Xinyi LiuCurrently on SUNNYVALE MTC CW5.5A

3.16

Yuling LiuCurrently on CUESTA TC CW6.5A

3.37

Rating 2.34 → 2.31Doubles result

Apr 6, 2026 · Doubles

Won 6-3,6-0

+0.09

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

2.93

Frances Wu(partner)Currently on SUNNYVALE MTC CW5.5A

2.70

Opponents

Paulina LowCurrently on BAY CLUB SANTA CLARA CW5.5A

2.23

Leticia Lafosse

2.74

Rating 2.25 → 2.34Doubles result

Apr 3, 2026 · Doubles · Mixed

Lost 6-3,2-6,0-1

−0.03

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Sikai Huang(partner)Currently on SUNNYVALE MTC CM8.5A

3.99

Opponents

Eva WuCurrently on SUNNYVALE MTC CW6.5B

3.79

Ming TaCurrently on MERVYN MORRIS PK 55MX8.0A

4.14

Mixed rating 3.42 → 3.39Doubles result

Mar 27, 2026 · Doubles · Mixed

Won 6-2,7-6

+0.17

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Sikai Huang(partner)Currently on SUNNYVALE MTC CM8.5A

3.99

Opponents

Ryan LowCurrently on SUNNYVALE TC/SUNNYVALE MTC CM7.5C

4.24

Paulina LowCurrently on BAY CLUB SANTA CLARA CW5.5A

3.23

Mixed rating 3.26 → 3.42Doubles result

Mar 1, 2026 · Doubles · Mixed

Lost 2-6,0-6

−0.09

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Paul Chen(partner)Currently on SUNNYVALE MTC CM8.5B

3.83

Opponents

Sanjiv PandeyCurrently on PLEASANTON CM7.5C

3.89

Madeleine ClarkCurrently on GOLDMAN TC CW7.5B

3.53

Mixed rating 3.35 → 3.26Doubles result

Feb 28, 2026 · Doubles · Mixed

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

+0.02

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Chen Wang(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CM6.5A

3.67

Opponents

Chao ZhouCurrently on SAN CARLOS TC/ARGUELLO PK CM6.5B

2.96

Xiaoxiang WangCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW5.5A

3.13

Mixed rating 3.33 → 3.35Doubles result

Feb 22, 2026 · Doubles · Mixed

Won 6-3,6-1

+0.02

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Haoting Chen(partner)

3.24

Opponents

Khalid BegCurrently on SUNNYVALE TC/SUNNYVALE MTC CM6.5D

3.03

Mathangi VenkatesanCurrently on SUNNYVALE MTC CW6.5A

2.89

Mixed rating 3.30 → 3.33Doubles result

Feb 19, 2026 · Doubles · Mixed

Lost 0-6,3-6

−0.11

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Mark Alves(partner)Currently on SHELDON PK CM8.5A

3.64

Opponents

Richard ZhaoCurrently on SAN CARLOS TC/ARGUELLO PK CM6.5B

3.54

Ashley ChangCurrently on FOSTER CITY TC/EDGEWATER PK CW7.5A

3.94

Mixed rating 3.41 → 3.30Doubles result

Feb 8, 2026 · Doubles · Mixed

Won 7-5,7-6

+0.17

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Joseph Huang(partner)Currently on RINCONADA PK CM8.5B

4.33

Opponents

Brett Anthony ForemanCurrently on BAY CLUB COURTSIDE 55MX8.0A

4.02

Michelle AngelCurrently on BAY CLUB COURTSIDE CW6.5A-DT

3.57

Mixed rating 3.24 → 3.41Doubles result

Feb 7, 2026 · Doubles · Mixed

Won 7-6,6-3

+0.19

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Sikai Huang(partner)Currently on SUNNYVALE MTC CM8.5A

3.99

Opponents

Brian DengCurrently on SUNNYVALE MTC CM7.5D

3.61

Chang GengCurrently on SUNNYVALE MTC CW7.5B

3.60

Mixed rating 3.04 → 3.24Doubles result

Jan 31, 2026 · Doubles · Mixed

Won 3-6,6-4,1-0

+0.19

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Sikai Huang(partner)Currently on SUNNYVALE MTC CM8.5A

3.99

Opponents

Joe LiebeschuetzCurrently on BAY CLUB SANTA CLARA 55MX8.0A

3.85

Karen SchuttenCurrently on FREMONT HILLS CC CW6.5A

3.73

Mixed rating 2.86 → 3.04Doubles result

Jan 24, 2026 · Doubles · Combo

Won 6-1,6-3

+0.07

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.26

Elaine Zhao(partner)Currently on SUNNYVALE MTC CW7.5B

3.67

Opponents

Emily SimoneCurrently on OLYMPIC CW7.5A

3.20

Hannah ShabbCurrently on OLYMPIC CW6.5A

3.01

Combo rating 3.42 → 3.49Doubles result

Jan 23, 2026 · Doubles · Combo

Lost 2-6,4-6

−0.07

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.26

Shan Sun(partner)Currently on SUNNYVALE MTC CW6.5B

3.51

Opponents

Kristi SandersCurrently on NAPA VALLEY TC/VINTAGE HS CW6.5A

3.37

Christine Malloy

3.76

Combo rating 3.33 → 3.26Doubles result

Jan 23, 2026 · Doubles · Combo

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

+0.16

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.26

Chang Geng(partner)Currently on SUNNYVALE MTC CW7.5B

3.60

Opponents

Qimin Cao

3.40

Weiwei LuanCurrently on BAY CLUB SANTA CLARA CW7.5A

3.60

Combo rating 3.26 → 3.42Doubles result

Jan 19, 2026 · Doubles · Mixed

Won 6-2,6-3

+0.07

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Wenxin He(partner)Currently on RINCONADA PK CM8.5A

3.60

Opponents

Lisa MckennaCurrently on SAN CARLOS TC/ARGUELLO PK 55MX7.0C

2.89

John WynnCurrently on SUNNYVALE TC/SUNNYVALE MTC S70M7.0B

3.16

Mixed rating 2.79 → 2.86Doubles result

Jan 18, 2026 · Doubles · Mixed

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

−0.04

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Joe Lee(partner)Currently on LOS PASEOS PK CM8.5A

3.95

Opponents

Michael Zhang

3.65

Dan SuCurrently on SUNNYVALE MTC CW8.5E

3.78

Mixed rating 2.82 → 2.79Doubles result

Jan 16, 2026 · Doubles · Mixed

Won 6-2,6-2

+0.17

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Sikai Huang(partner)Currently on SUNNYVALE MTC CM8.5A

3.99

Opponents

Mei SeeCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C 55MX7.0A

3.17

Sean Arnold

3.65

Mixed rating 2.65 → 2.82Doubles result

Jan 11, 2026 · Doubles · Mixed

Lost 2-6,1-6

−0.14

Ko-Yun’s side

Ko-Yun ChenCurrently on BRAMHALL PK CW7.5A

3.39

Jo Zhang(partner)Currently on RINCONADA PK CM7.5A

3.35

Opponents

Ning Li

3.45

Haiting DiaoCurrently on SUNNYVALE MTC CW6.5E

3.38

Mixed rating 2.79 → 2.65Doubles result

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

Best match

+0.16

Jan 23 vs Q. Cao / W. Luan

Worst match

−0.12

Sep 10 vs R. Sidartawan-lie / J. Anderson

▲

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−0.222.07

Pulled toward the 2025 year-end level−0.012.25

More about Ko-Yun

Ko-Yun Chen has been a USTA NorCal 3.0 since 2025, after starting at 2.5 in 2024. The estimated dynamic rating is 2.93, up 0.64 this season, with a 17–15 record in 2026 across regular, combo and mixed play. Most frequent partner: Shan Sun, 2–7 in 9 matches together.

Record

17–15

2026 season, 32 matches

19–17

2025 season, 36 matches

Longest winning streak

8–6

Matches that went to a third set or match tiebreak

Partners

Shan Sun9 matches together2–7
Wudi Zhou6 matches together3–3
Sikai Huang5 matches together4–1

Best wins

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

d. Kalina Stephani (4.0) / Theresse Tan (3.5)Oct 18, 2025 · Combo6-4, 6-2
d. Sonia Whitfield (3.5) / Stacie Pittenger (3.5)Jun 12, 2026 · Doubles7-6, 6-2

Year-end NTRP, 2024–2026

2.5 in 2024 and 3.0 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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Ko-Yun Chen: estimated dynamic rating

More about Ko-Yun

Record

Partners

Best wins

Year-end NTRP, 2024–2026

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