MatchPoint

Player profile

Donny Su: estimated dynamic rating

Donny Su
USTA4.5
Los Altos TC/Los Altos GCC
4.63
Estimated dynamic rating
▲ +0.19 this season
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Combo · 2026
4 matches
4.614.494.37
Sep · 4.60
Oct · 4.53
Oct 8 · Doubles+0.05
W P. Liu / W. Conklin
6-0,6-4 · 1D · with Michael Porter
Your combo rating, from combo matches only. It doesn’t move your 4.63.● 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

24 matches

Published NorCal results in 2026 — 6 scoring, 18 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Oct 8, 2026 · Doubles · 1D · Combo

Won 6-0,6-4
+0.05

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.53
Michael Porter(partner)Currently on SUNNYVALE MTC CM7.5F
4.04

Opponents

Paul LiuCurrently on PLEASANTON 55MX9.0A
4.32
Wade ConklinCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK CM7.5C
3.89
Combo rating 4.48 → 4.53Doubles result

Oct 1, 2026 · Doubles · 1D · Combo

Won 6-2,6-2
+0.11

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.53
Vatsal Shah(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM8.5A
4.25

Opponents

Andy EwingCurrently on SUNNYVALE MTC CM8.5B
4.59
Anthony ChabaCurrently on WASHINGTON PK CM8.5A
4.08
Combo rating 4.37 → 4.48Doubles result

Sep 26, 2026 · Doubles · 1D · Mixed

Won 6-2,6-2
+0.07

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Keri Smith(partner)Currently on RINCONADA PK CW8.5A
4.66

Opponents

Corazon BellamyCurrently on WILLOW PASS PK CW7.5A
4.42
Cyril EscanillasCurrently on LAFAYETTE TC CM8.5A
4.30
Mixed rating 4.58 → 4.65Doubles result

Sep 25, 2026 · Doubles · 1D · Mixed

Won 6-0,6-4
+0.01

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Keri Smith(partner)Currently on RINCONADA PK CW8.5A
4.66

Opponents

William ContenteCurrently on FIG GARDEN CM8.5A
3.93
Belinda Mcmillan HaenerCurrently on SIERRA SPORT CW8.5A
3.89
Mixed rating 4.55 → 4.56Doubles result

Sep 25, 2026 · Doubles · 3D · Mixed

Won 6-3,6-1
+0.02

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Keri Smith(partner)Currently on RINCONADA PK CW8.5A
4.66

Opponents

Phuong TruongCurrently on SHELDON PK CM8.5A
4.05
Wanda HasadsriCurrently on STONEGATE CC CW7.5A-DT
4.00
Mixed rating 4.56 → 4.58Doubles result

Sep 19, 2026 · Doubles · 2D · Combo

Lost 4-6,0-6
−0.24

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.53
Vatsal Shah(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM8.5A
4.25

Opponents

Yi RenCurrently on PINEWOOD PK CM8.5A
4.29
Hiroaki YasutakeCurrently on PINEWOOD PK CM8.5A
4.32
Combo rating 4.61 → 4.37Doubles result

Sep 10, 2026 · Doubles · 1D · Combo

Won 6-1,6-3
+0.02

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.53
Vatsal Shah(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM8.5A
4.25

Opponents

Yi JinCurrently on SUNNYVALE MTC CM8.5C
3.82
Andrew LuCurrently on SUNNYVALE MTC CM8.5C
4.04
Combo rating 4.60 → 4.61Doubles result

Aug 27, 2026 · Doubles · 1D · Mixed

Won 6-4,6-1
+0.04

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Keri Smith(partner)Currently on RINCONADA PK CW8.5A
4.66

Opponents

Ryan LowCurrently on SUNNYVALE TC/SUNNYVALE MTC CM7.5C
4.24
Michele LindzyCurrently on MOUNTAIN VIEW TC/RENGSTORFF PK 55MX8.0A
4.10
Mixed rating 4.51 → 4.55Doubles result

Aug 23, 2026 · Doubles · 2D · Mixed

Won 6-4,7-6
+0.03

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Keri Smith(partner)Currently on RINCONADA PK CW8.5A
4.66

Opponents

Shang LiuCurrently on PLEASANTON 55MX7.0B
3.98
Mo HorthongCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5B-DT
4.25
Mixed rating 4.48 → 4.51Doubles result

Aug 16, 2026 · Doubles · 1D · Mixed

Won 6-1,6-2
+0.02

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Keri Smith(partner)Currently on RINCONADA PK CW8.5A
4.66

Opponents

Paul KwonCurrently on BAY CLUB SANTA CLARA CM8.5A
3.96
Zhen ZhangCurrently on WALNUT CREEK RC/Walnut Creek TC 55MX8.0B
3.90
Mixed rating 4.46 → 4.48Doubles result

Jul 26, 2026 · Doubles · Mixed

Won 6-1,6-2
+0.01

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Jieying Shi(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW7.5A-DT
4.05

Opponents

Larry LesslerCurrently on SUNNYVALE TC/SUNNYVALE MTC 55MX7.0A
3.68
Babette Van AntwerpenCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5A
4.10
Mixed rating 4.45 → 4.46Doubles result

May 28, 2026 · Doubles

Won 3-6,7-6,1-0
+0.09

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.63
George Chang(partner)Currently on SUNNYVALE MTC CM9.5B
4.56

Opponents

Piyush LakhawatCurrently on SUNNYVALE MTC CM9.5B
4.47
Bhaskar SarmaCurrently on FREMONT HILLS CC CM8.5A
4.50
Rating 4.55 → 4.63Doubles result

Apr 30, 2026 · Singles

Lost 7-6,4-6,0-1
−0.11

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.63

Opponents

Reid PattersonCurrently on RINCONADA PK CM9.5A
4.68
Rating 4.65 → 4.55Singles result

Apr 17, 2026 · Doubles

Won 6-7,6-4,1-0
+0.03

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.63
David Le(partner)Currently on SUNNYVALE MTC CM9.5A
4.43

Opponents

Alex Weber
4.24
Jake AndersonCurrently on PLEASANTON CM8.5A
4.29
Rating 4.62 → 4.65Doubles result

Apr 9, 2026 · Doubles

Won 6-2,6-2
+0.09

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.63
Vishal Natarajan(partner)
4.39

Opponents

Roger LinCurrently on BAY CLUB SANTA CLARA CM8.5A
4.17
Minal MishraCurrently on BAY CLUB COURTSIDE CM9.5A
4.55
Rating 4.53 → 4.62Doubles result

Apr 3, 2026 · Doubles · Mixed

Won 6-4,4-4 RE
+0.10

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Xin Yang(partner)Currently on SUNNYVALE MTC CW6.5E
3.85

Opponents

Chuo-Yun YangCurrently on RINCONADA PK CM8.5B
4.23
Kristen WongCurrently on GLTF/SAN FRAN ST U CW8.5A
4.54
Mixed rating 4.35 → 4.45Doubles result

Mar 26, 2026 · Doubles · Mixed

Won 6-2,5-7,1-0
+0.01

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Xin Yang(partner)Currently on SUNNYVALE MTC CW6.5E
3.85

Opponents

Chang GengCurrently on SUNNYVALE MTC CW7.5B
3.60
Kuan ChangCurrently on SUNNYVALE TC/SUNNYVALE MTC CM8.5F
3.98
Mixed rating 4.34 → 4.35Doubles result

Mar 8, 2026 · Doubles

Won 6-1,6-3
+0.03

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.63
Raymond Uyehara(partner)Currently on MOUNTAIN VIEW TC/RENGSTORFF PK CM8.5A
4.75

Opponents

Jackie GuoCurrently on UNIVERSITY CLUB PA 55MX9.0A
4.09
Hong FanCurrently on SUNNYVALE MTC CM8.5D
3.76
Rating 4.50 → 4.53Doubles result

Mar 1, 2026 · Doubles · Mixed

Won 7-6,6-2
+0.03

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Vy Nguyen(partner)
3.95

Opponents

Chuo-Yun YangCurrently on RINCONADA PK CM8.5B
4.23
Shan WangCurrently on SUNNYVALE MTC CW8.5E
3.91
Mixed rating 4.32 → 4.34Doubles result

Feb 24, 2026 · Doubles · Mixed

Won 6-4,6-4
+0.02

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Xin Yang(partner)Currently on SUNNYVALE MTC CW6.5E
3.85

Opponents

May Chee
3.96
Vladan PopovicCurrently on WALLENBERG PK CM7.5A
4.11
Mixed rating 4.30 → 4.32Doubles result

Feb 22, 2026 · Singles

Lost 3-6,3-6
−0.13

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.63

Opponents

Nicolas BatemanCurrently on RINCONADA PK CM9.5B
4.78
Rating 4.63 → 4.50Singles result

Feb 8, 2026 · Doubles · Mixed

Won 6-4,6-1
+0.02

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Runa Koizumi(partner)Currently on SUNNYVALE TC/SUNNYVALE MTC CW6.5A-DT
3.72

Opponents

Juan CastilloCurrently on SUNNYVALE TC/SUNNYVALE MTC CM8.5F
4.12
Zixiao ChengCurrently on SUNNYVALE MTC CW7.5B
3.65
Mixed rating 4.28 → 4.30Doubles result

Jan 24, 2026 · Doubles · Mixed

Lost 6-1,6-7,0-1
−0.20

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Jane Dong(partner)Currently on SUNNYVALE MTC CW7.5B
3.70

Opponents

Yilun ChenCurrently on SUNNYVALE MTC CM9.5C
4.20
Christy MaCurrently on SUNNYVALE TC/SUNNYVALE MTC CW8.5F
4.02
Mixed rating 4.48 → 4.28Doubles result

Jan 6, 2026 · Doubles · Mixed

Lost 2-6,6-2,0-1
−0.20

Donny’s side

Donny SuCurrently on LOS ALTOS TC/LOS ALTOS GCC CM8.5A
4.65
Flora Li(partner)
3.63

Opponents

Andrew LiuCurrently on SUNNYVALE TC/SUNNYVALE MTC CM8.5F
4.02
Joany GaoCurrently on SUNNYVALE MTC CW8.5C
3.86
Mixed rating 4.68 → 4.48Doubles result

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

Best match
+0.11
Oct 1 vs A. Ewing / A. Chaba
Worst match
−0.24
Sep 19 vs Y. Ren / H. Yasutake
Where you started ›4.44
2023 year-end NTRP 4.54.30
Scale calibration+0.14
Season start4.44
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−0.064.38
Pulled toward the 2025 year-end level−0.084.63

More about Donny

Donny Su has been a USTA NorCal 4.5 since 2021, after starting at 3.5 in 2017. The estimated dynamic rating is 4.63, up 0.19 this season, with a 20–5 record in 2026 across regular, combo and mixed play. Most frequent partner: Keri Smith, 6–0 in 6 matches together.

Record

20–5
2026 season, 25 matches
17–5
2025 season, 22 matches
7
Longest winning streak
6–6
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, 2017–2026

3.5 in 2017, 4.0 in 2018, 4.5 in 2019 and 4.5 from 2021 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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