John Schwarzkopf
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San Mateo, CA
14 matches · 5W–9L · seasons 2025–2026
Match history14 matches
Where you rank locallyagainst everyone at your level
Teams4 teams · 2025–2026
Over timerating by season, and how you rank
By level1 level played
4.0
35.7%
5W–9L · 44.6% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #2 Doubles, 57% of the time
#2 Doubles
57%
8 matches
#3 Doubles
36%
5 matches
#1 Doubles
7%
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.
Start where you are. Use what you have. Do what you can.