Onno Koelman
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San Anselmo, CA
23 matches · 11W–12L · seasons 2019–2026
Match history23 matches
W
Default
doesn’t count toward your NTRP rating
6-0, 6-0
Where you rank locallyagainst everyone at your level
Teams8 teams · 2019–2026
Over timerating by season, and how you rank
By level3 levels played
4.5
45%
9W–11L · 53% of games
8.5
1W–1L
not enough matches yet
9.0mixed
1W–0L
not enough matches yet
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Singles, 39% of the time
#1 Singles
39%
9 matches
#2 Doubles
17%
4 matches
#2 Singles
17%
4 matches
#1 Doubles
13%
3 matches
#3 Doubles
13%
3 matches
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.