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Colin O'Brien

Belvedere Tiburon, CA
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
46 matches · 24W–22L · seasons 20222025

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Match history46 matches
L
2025-06-26 · #1 Singles
expectation pending — we’re still fetching an opponent’s record
5-7, 3-6
W
Arash Moshkforoush
2025-06-10 · TIBURON PEN C 18AM4.0A · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
6-4, 6-1
W
Sam Crawford
2025-06-08 · TIBURON PEN C 18AM3.5B · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-2, 6-2
L
Robert Cahill
2025-06-07 · TIBURON PEN C 18AM4.0A · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
1-6, 1-6
W
Peter Halpern
2025-05-30 · TIBURON PEN C 18AM3.5B · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-3, 6-0
L
Nadim Hossain
2025-05-27 · TIBURON PEN C 18AM4.0A · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
3-6, 1-6
W
Christopher Povio
2025-05-23 · TIBURON PEN C 18AM3.5B · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-1, 6-2
L
Todd Fitzgerald
2025-05-22 · TIBURON PEN C 18AM4.0A · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
2-6, 4-6
W
Francois Cottin
2025-05-17 · TIBURON PEN C 18AM3.5B · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-1, 6-0
L
Fred Mcferran
2025-05-11 · TIBURON PEN C 18AM3.5B · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-7, 1-6
W
Rob Schult
2025-05-04 · TIBURON PEN C 18AM3.5B · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-3, 6-1
W
Greg Martinez
2025-04-12 · TIBURON PEN C 18AM3.5B · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-0, 6-3
Where you rank locallyagainst everyone at your level
Teams12 teams · 2022–2026
Over timerating by season, and how you rank
By level4 levels played
3.5
64.3%
18W–10L · 58.9% of games
4.0
16.7%
1W–5L · 32.3% of games
7.5
25%
1W–3L · 35.8% of games
8.0mixed
75%
3W–1L · 60.7% of games

Games won matters more than matches won — NTRP adjusts on margins.

Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.

Tennis is mostly mental. You win or lose the match before you even go out there.
Venus Williams