Johnny Kostrey
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Los Angeles, CA
68 matches · 37W–31L · seasons 2022–2026
Match history68 matches
Where you rank locallyagainst everyone at your level
Teams25 teams · 2022–2026
Over timerating by season, and how you rank
By level4 levels played
3.5
61.7%
29W–18L · 52.2% of games
4.0
47.1%
8W–9L · 47.2% of games
7.0
0W–1L
not enough matches yet
8.0
0W–3L
not enough matches yet
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #3 Doubles, 34% of the time
#3 Doubles
34%
23 matches
#1 Doubles
32%
22 matches
#2 Doubles
22%
15 matches
#1 Singles
10%
7 matches
#2 Singles
2%
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.
It’s one of the reasons why I like tennis so much. Because you have to figure it out on your own.