MatchPoint

Player profile

Tammy Choy: estimated dynamic rating

Tammy Choy
USTA4.0
Cupertino TC/Cupertino SC
3.77
Estimated dynamic rating
▼ −0.12 this season
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Mixed · 2026
13 matches
4.163.723.29
Feb · 4.05
Oct · 3.68
Oct 27 · Doubles+0.12
W W. He / E. Wu
5-7,6-3,1-0 · 2D · with Wayne Cai
Your mixed rating, from mixed matches only. It doesn’t move your 3.77.● 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

31 matches

Published NorCal results in 2026 — 14 scoring, 17 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 27, 2026 · Doubles · 2D · Mixed

Won 5-7,6-3,1-0
+0.12

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Wayne Cai(partner)Currently on CUPERTINO TC/CUPERTINO SC CM8.5A
3.81

Opponents

Wenxin HeCurrently on RINCONADA PK CM8.5A
3.60
Ella WuCurrently on RINCONADA PK 55MX8.0A
3.75
Mixed rating 3.57 → 3.68Doubles result

Oct 17, 2026 · Doubles · 2D · Mixed

Won 5-7,6-4,1-0
+0.14

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Wayne Cai(partner)Currently on CUPERTINO TC/CUPERTINO SC CM8.5A
3.81

Opponents

Stephanie KingCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.02
David ParekhCurrently on UNIVERSITY CLUB PA CM7.5A
3.49
Mixed rating 3.43 → 3.57Doubles result

Oct 4, 2026 · Doubles · 1D · Mixed

Won 6-4,6-2
+0.14

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
John Pattinson(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC 55MX7.0A
3.63

Opponents

Yvonne SelnerCurrently on LADERA OAKS S70W8.0A
3.47
Tom SorensonCurrently on HOPKINS PK 55MX8.0A
3.50
Mixed rating 3.29 → 3.43Doubles result

Sep 30, 2026 · Doubles · 1D · Combo

Lost 5-7,3-6
−0.13

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.49
Hong Yu(partner)Currently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.38

Opponents

Lara Norman-StowersCurrently on SAN JOSE SR CW7.5A
3.51
Sophia KnappCurrently on SAN JOSE SR CW7.5A
3.59
Combo rating 3.62 → 3.49Doubles result

Sep 27, 2026 · Doubles · 1D · Combo

Won 6-3,5-7,1-0
+0.16

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.49
Hong Yu(partner)Currently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.38

Opponents

Puhe LiangCurrently on SUNNYVALE MTC CW7.5B
3.71
Elaine ZhaoCurrently on SUNNYVALE MTC CW7.5B
3.67
Combo rating 3.45 → 3.62Doubles result

Sep 9, 2026 · Doubles · 3D · Combo

Lost 6-3,4-6,0-1
−0.07

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.49
Chihiro Tajima(partner)Currently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.22

Opponents

Lufei WangCurrently on SUNNYVALE MTC CW7.5B
3.92
Qiuyun LinCurrently on SUNNYVALE MTC CW7.5B
3.72
Combo rating 3.52 → 3.45Doubles result

Aug 24, 2026 · Doubles · 3D · Combo

Lost 6-2,6-7,0-1
−0.12

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.49
Madhumita Datta(partner)Currently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.09

Opponents

Alice IsaacsonCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.16
Maria VegasCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.74
Combo rating 3.64 → 3.52Doubles result

Aug 6, 2026 · Doubles · Mixed

Lost 2-6,1-6
−0.21

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Brian Choy(partner)
3.22

Opponents

John PattinsonCurrently on SUNNYVALE TC/SUNNYVALE MTC 55MX7.0A
3.63
Michelle YooCurrently on LOS GATOS SR CW6.5A
3.12
Mixed rating 3.50 → 3.29Doubles result

Aug 2, 2026 · Doubles · Mixed

Lost 2-6,0-6
−0.04

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Travis Koh(partner)Currently on CUPERTINO TC/CUPERTINO SC CM7.5A
3.58

Opponents

Lisa OktaviaCurrently on SUNNYVALE MTC CW8.5D
4.35
Qing FengCurrently on BAY CLUB SANTA CLARA CM7.5B
3.92
Mixed rating 3.54 → 3.50Doubles result

Jul 23, 2026 · Doubles · Mixed

Won 6-0,7-6
+0.04

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Brian Choy(partner)
3.22

Opponents

Basim NooriCurrently on SUNNYVALE TC/SUNNYVALE MTC CM6.5G
3.03
Dana KnappCurrently on SAN JOSE SR CW7.5A
3.30
Mixed rating 3.49 → 3.54Doubles result

Jul 21, 2026 · Doubles · Mixed

Lost 2-6,3-6
−0.15

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Johnny Zhou(partner)Currently on CUPERTINO TC/CUPERTINO SC CM7.5C
3.26

Opponents

Bisong TaoCurrently on CUPERTINO TC/CUPERTINO SC CM8.5A
3.74
Jennifer Shem
3.54
Mixed rating 3.64 → 3.49Doubles result

Jul 11, 2026 · Doubles · Mixed

Lost 4-6,1-6
−0.04

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Girish Patangay(partner)Currently on FOOTHILL COLL CM7.5A
3.53

Opponents

Brian Hall
4.01
Heather GreenCurrently on SUNNYVALE MTC CW8.5D
4.17
Mixed rating 3.69 → 3.64Doubles result

Jun 23, 2026 · Doubles · Mixed

Lost 0-6,0-6
−0.18

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Brian Choy(partner)
3.22

Opponents

Chris LingCurrently on SUNNYVALE TC/SUNNYVALE MTC CM8.5F
3.92
Christine ScarpaceCurrently on SUNNYVALE TC/SUNNYVALE MTC CW6.5A-DT
3.24
Mixed rating 3.87 → 3.69Doubles result

Jun 14, 2026 · Doubles · Mixed

Lost 3-6,4-6
−0.08

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Georgios Papanikolaou(partner)Currently on LOS GATOS SR CM8.5A
3.53

Opponents

Mike ZhouCurrently on RINCONADA PK 55MX8.0A
3.87
Christy MaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
4.02
Mixed rating 4.06 → 3.98Doubles result

Jun 8, 2026 · Doubles

Won 6-3,6-4
+0.09

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Mary Pham(partner)Currently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.65

Opponents

Rita SandhuCurrently on SUNNYVALE MTC CW7.5C-DT
3.53
Lin Vong
3.50
Rating 3.68 → 3.77Doubles result

Jun 3, 2026 · Doubles

Lost 4-6,2-6
−0.14

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Jean Zhang(partner)Currently on CUPERTINO TC/CUPERTINO SC 55MX8.0A
3.47

Opponents

Linda ClevelandCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.66
Katie SchmidtCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5B-DT
3.66
Rating 3.82 → 3.68Doubles result

May 16, 2026 · Doubles

Lost 1-6,2-6
−0.17

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Cindy Jeung(partner)Currently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.48

Opponents

Zixiao ChengCurrently on SUNNYVALE MTC CW7.5B
3.59
Yue WuCurrently on SUNNYVALE MTC CW8.5D
3.74
Rating 3.99 → 3.82Doubles result

May 6, 2026 · Doubles

Lost 5-7,2-6
−0.15

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Jennifer Shem(partner)
3.51

Opponents

Pegah SeddighianCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.73
Kelly KerrCurrently on SUNNYVALE MTC CW8.5B
3.84
Rating 4.14 → 3.99Doubles result

May 3, 2026 · Doubles

Lost 4-6,4-6
−0.11

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Mary Pham(partner)Currently on CUPERTINO TC/CUPERTINO SC CW7.5A-DT
3.65

Opponents

Eri SuzukiCurrently on SUNNYVALE MTC CW8.5B
3.80
Shani PodellCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.92
Rating 4.25 → 4.14Doubles result

Mar 2, 2026 · Doubles

Won 6-2,3-6,1-0
+0.06

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Min Qian(partner)
3.83

Opponents

Felicia TsaiCurrently on SANTA CLARA TC/SANTA CLARA TENNIS C CW7.5A
3.68
Lin Vong
3.50
Rating 4.19 → 4.25Doubles result

Mar 1, 2026 · Doubles

Lost 2-6,3-6
−0.14

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Masami Matsuura(partner)Currently on SUNNYVALE MTC CW7.5D-DT
3.71

Opponents

Teresa MoyeCurrently on UNIVERSITY CLUB PA CW7.5A-DT
3.61
Tracy FujiedaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
3.95
Rating 4.33 → 4.19Doubles result

Feb 28, 2026 · Doubles

Won 6-1,6-4
+0.09

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Beatrice Gauthe(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A
3.98

Opponents

Jieying ShiCurrently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A-DT
3.60
Cindy Hyeok KimCurrently on SUNNYVALE MTC CW7.5D-DT
3.76
Rating 4.24 → 4.33Doubles result

Feb 27, 2026 · Doubles · Mixed

Lost 2-6,6-7
−0.10

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.68
Georgios Papanikolaou(partner)Currently on LOS GATOS SR CM8.5A
3.53

Opponents

Flora Li
3.63
Eric XuCurrently on SUNNYVALE MTC CM9.5B
4.27
Mixed rating 4.16 → 4.06Doubles result

Feb 14, 2026 · Doubles

Lost 6-3,4-6,0-1
−0.10

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Sharada Labadie(partner)
3.58

Opponents

Lisa BackusCurrently on SUNNYVALE MTC CW8.5D
4.01
Tomi NakamuraCurrently on BAY CLUB SANTA CLARA CW8.5A
3.83
Rating 4.34 → 4.24Doubles result

Feb 1, 2026 · Doubles

Won 6-2,6-2
+0.05

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Emily Chou(partner)Currently on CUPERTINO TC/CUPERTINO SC 55MX8.0A
3.61

Opponents

Shashi NavarCurrently on SAN JOSE SR CW7.5A
3.63
Barbara WestergrenCurrently on VILLAGES GCC S70W7.0A
3.08
Rating 4.22 → 4.26Doubles result

Jan 25, 2026 · Doubles

Lost 2-6,4-6
−0.11

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Lynda Zhang(partner)Currently on CUPERTINO TC/CUPERTINO SC 55MX8.0A
3.70

Opponents

Michele BrownCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
3.93
Jennifer SetoCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A-DT
4.07
Rating 4.33 → 4.22Doubles result

Jan 24, 2026 · Doubles

Won 7-6,6-1
+0.15

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Beatrice Gauthe(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A
3.98

Opponents

Colleen BackstrandCurrently on UNIVERSITY CLUB PA CW7.5A-DT
3.92
Laurel RobinsonCurrently on UNIVERSITY CLUB PA CW7.5A-DT
3.79
Rating 4.17 → 4.33Doubles result

Jan 11, 2026 · Doubles

Lost 6-7,0-6
−0.18

Tammy’s side

Tammy ChoyCurrently on CUPERTINO TC/CUPERTINO SC CW7.5A
3.77
Teri Parekh(partner)Currently on UNIVERSITY CLUB PA CW7.5A-DT
3.56

Opponents

Julia PengCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
3.81
Lan WuCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
3.87
Rating 4.35 → 4.17Doubles result

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

Best match
+0.14
Oct 4 vs Y. Selner / T. Sorenson
Worst match
−0.21
Aug 6 vs J. Pattinson / M. Yoo
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+0.073.96
Pulled toward the 2025 year-end level+0.024.35

More about Tammy

Tammy Choy has been a USTA NorCal 4.0 since 2012. The estimated dynamic rating is 3.77, down 0.12 this season, with a 12–19 record in 2026 across regular, combo and mixed play. Most frequent partner: Min Qian, 4–3 in 7 matches together.

Record

12–19
2026 season, 31 matches
22–30
2025 season, 52 matches
3
Longest winning streak
9–10
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, 2002–2026

4.0 in 2002, 3.5 from 2003 to 2004, 3.5 from 2010 to 2011 and 4.0 from 2012 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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