John Halvorsen
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Aptos, CA
92 matches · 63W–29L · seasons 2021–2026
Match history92 matches
Where you rank locallyagainst everyone at your level
Teams23 teams · 2021–2026
Over timerating by season, and how you rank
By level4 levels played
4.0
57.1%
20W–15L · 53.7% of games
8.0
80%
16W–4L · 61.8% of games
8.5
40%
2W–3L · 42.7% of games
8.0mixed
78.1%
25W–7L · 60.2% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 59% of the time
#1 Doubles
59%
54 matches
#2 Doubles
33%
30 matches
#3 Doubles
9%
8 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.
Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.