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William Chamberlin

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San Rafael, CA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
147 matches · 75W–72L · seasons 2018–2026
Match history147 matches
L
2026-08-29 · RAFAEL RC CM8.5A · #2 Doubles · 8.5 · with Jason Bousquet
doesn’t count toward your NTRP rating
4-6, 2-6
L
2026-08-14 · #1 Doubles · 8.0 · with Sharon Klein mixed
doesn’t count toward your NTRP rating
4-6, 6-7
W
2026-07-12 · #1 Doubles · 8.0 · with Sharon Klein mixed
doesn’t count toward your NTRP rating
6-7, 6-3, 1-0
W
2026-07-10 · #3 Doubles · 8.0 · with Sarah Hoffman mixed
doesn’t count toward your NTRP rating
4-6, 6-3, 1-0
W
2026-07-05 · #1 Doubles · 8.0 · with Sharon Klein mixed
doesn’t count toward your NTRP rating
6-4, 6-2
L
2026-06-22 · #1 Doubles · 7.0 · with Kelly Schroth mixed
doesn’t count toward your NTRP rating
2-6, 2-6
L
2026-06-21 · #1 Doubles · 8.0 · with Eileen Benson mixed
doesn’t count toward your NTRP rating
6-7, 3-6
W
2026-06-20 · #1 Doubles · 7.0 · with Patty Beach mixed
doesn’t count toward your NTRP rating
3-6, 6-2, 1-0
W
2026-06-14 · RAFAEL RC 18AM4.0A · #1 Doubles · 4.0 · with Thomas Chang
loading the estimate
6-3, 6-1
L
2026-06-06 · RAFAEL RC 18AM4.0A · #1 Doubles · 4.0 · with Michael S Rice
loading the estimate
1-6, 1-6
W
2026-05-31 · RAFAEL RC 18AM4.0A · #1 Doubles · 4.0 · with Sean Raymond
loading the estimate
6-4, 6-1
W
2026-05-16 · RAFAEL RC 40AM4.0A · #1 Doubles · 4.0 · with Michael Grady championship
loading the estimate
1-6, 6-2, 1-0
Where you rank locallyagainst everyone at your level
Teams42 teams · 2019–2026
Over timerating by season, and how you rank
By level7 levels played
4.0
78.3%
18W–5L · 59.2% of games
4.5
27.3%
6W–16L · 43.7% of games
7.5
16.7%
1W–5L · 46.8% of games
8.5
47.6%
10W–11L · 45.6% of games
7.0mixed
64.3%
9W–5L · 55.4% of games
8.0mixed
59.5%
25W–17L · 52.7% of games
9.0mixed
29.4%
5W–12L · 45.1% of games

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

By lineusually #1 Doubles, 48% of the time
#1 Doubles
48%
71 matches
#2 Doubles
27%
39 matches
#3 Doubles
25%
36 matches
#1 Singles
1%
1 match

How often, across every team and every match we hold — including ones that do not count toward a rating. Advanced stats has a court-position table too, and it answers a different question: how well you do there, over matches that count. A team’s own page shows how that one team uses you.

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.

Pressure is a privilege.
Billie Jean King