Jun 26, 2025 · Singles
Lost 5-7,3-6
−0.06
Colin’s side
3.49
Opponents
Nick StiritzCurrently on MARIN TC CM8.5A
3.70Rating 3.62 → 3.56Singles result
Player profile
Colin O'brien’s NorCal tennis rating
Colin O'brien
USTA 3.5 · NorCal league player
current
▲ +0.15 this season
Active teams
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USTA3.50
2025
13 matches
Jan · 3.29
Jun · 3.56
Jun 26 · Singles−0.06
L Nick Stiritz
5-7,3-6
● 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.
Jun 10, 2025 · Singles
Lost 4-6,1-6
−0.05
Colin’s side
3.49
Opponents
Arash MoshkforoushCurrently on BAY CLUB SF TENNIS CM8.5B
3.95Rating 3.68 → 3.62Singles result
Jun 8, 2025 · Singles
Lost 2-6,2-6
−0.18
Colin’s side
3.49
Opponents
Sam CrawfordCurrently on LAGUNITAS CC CM7.5A
3.51Rating 3.86 → 3.68Singles result
Jun 7, 2025 · Singles
Won 6-1,6-1
+0.25
Colin’s side
3.49
Opponents
Robert CahillCurrently on LAGUNITAS CC CM8.5A
3.95Rating 3.60 → 3.86Singles result
May 30, 2025 · Singles
Won 6-3,6-0
+0.25
Colin’s side
3.49
Opponents
Peter HalpernCurrently on ROLLING HILLS CM8.5A
3.67Rating 3.36 → 3.60Singles result
May 27, 2025 · Singles
Lost 3-6,1-6
−0.01
Colin’s side
3.49
Opponents
Nadim HossainCurrently on SAN FRAN ST U CM7.5B
4.05Rating 3.37 → 3.36Singles result
May 23, 2025 · Singles
Won 6-1,6-2
+0.10
Colin’s side
3.49
Opponents
Christopher PovioCurrently on TIBURON PEN C CM7.5A
3.19Rating 3.27 → 3.37Singles result
May 22, 2025 · Singles
Lost 2-6,4-6
−0.08
Colin’s side
3.49
Opponents
Todd FitzgeraldCurrently on RAFAEL RC CM8.5A
3.92Rating 3.34 → 3.27Singles result
May 17, 2025 · Singles
Won 6-1,6-0
+0.10
Colin’s side
3.49
Opponents
Francois CottinCurrently on SCOTT VALLEY CM7.5A
3.24Rating 3.24 → 3.34Singles result
May 11, 2025 · Singles
Lost 6-7,1-6
−0.11
Colin’s side
3.49
Opponents
3.42
Rating 3.35 → 3.24Singles result
May 4, 2025 · Singles
Lost 3-6,1-6
−0.10
Colin’s side
3.49
Opponents
Rob SchultCurrently on BELVEDERE TC CM7.5A
3.70Rating 3.45 → 3.35Singles result
Apr 12, 2025 · Singles
Won 6-0,6-3
+0.24
Colin’s side
3.49
Opponents
Greg MartinezCurrently on RAFAEL RC CM7.5A
3.67Rating 3.21 → 3.45Singles result
Jan 25, 2025 · Singles
Lost 2-6,2-6
−0.08
Colin’s side
3.49
Opponents
Andrew GlickmanCurrently on BELVEDERE TC CM7.5A
3.88Rating 3.29 → 3.21Singles result
Best match
+0.25
Jun 7 vs Robert Cahill
Worst match
−0.18
Jun 8 vs Sam Crawford
Where you started ›3.34
2023 year-end NTRP 3.53.20
Scale calibration+0.14
Season start3.34
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 Sep 20
Colin O'brien’s MatchPoint NorCal tennis rating is 3.49, 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−0.053.29
Pulled toward the 2025 year-end level−0.073.49
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