Aug 9, 2025 · Doubles
Won 6-7,6-3,1-0
+0.11
Opponents
Nathan GongCurrently on MERVYN MORRIS PK CM9.5A
4.42Kevin LoweCurrently on MERVYN MORRIS PK CM9.5A
4.58Rating 4.41 → 4.52Doubles result
Player profile
Yok Chai Ma’s NorCal tennis rating
Yok Chai Ma
USTA 4.5 · NorCal league player
current
▲ +0.06 this season
Active teams
No active team listing yet.
USTA4.50
2025
6 matches
Apr · 4.42
Aug · 4.52
Aug 9 · Doubles+0.11
W N. Gong / K. Lowe
6-7,6-3,1-0 · with Michael Lopez
● Won ● Lost · Select a point to see that match.Your whole season is recalculated every night, so earlier points can shift as new results come in.
Current season
0 matches
Published NorCal league results in 2026.
Aug 8, 2025 · Singles
Won 7-5,7-5
+0.10
Yok’s side
4.50
Opponents
4.50
Rating 4.32 → 4.41Singles result
May 25, 2025 · Doubles
Lost 3-6,6-2,0-1
−0.14
Rating 4.46 → 4.32Doubles result
May 17, 2025 · Doubles
Lost 3-6,1-6
−0.20
Rating 4.66 → 4.46Doubles result
May 4, 2025 · Singles
Won 6-1,6-0
+0.13
Yok’s side
4.50
Opponents
Rating 4.53 → 4.66Singles result
Apr 26, 2025 · Doubles
Won 6-4,6-3
+0.10
Rating 4.42 → 4.53Doubles result
Best match
+0.13
May 4 vs Ignacio A Valdovinos
Worst match
−0.20
May 17 vs A. Dalupan / F. Asis
▲
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 Sep 20
Yok Chai Ma’s MatchPoint NorCal tennis rating is 4.50, an independent estimate based on published NorCal league results through September 20, 2026.
MatchPoint ratings are estimates based on published USTA NorCal league results. Data through September 20, 2026.
Year-end re-anchoring
Pulled toward the 2024 year-end level−0.024.42
Pulled toward the 2025 year-end level−0.024.50
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