Kelsey Kosztowny
27 matches · 6W–21L · seasons 2024–2026
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Match history27 matches
L
expectation pending — we’re still fetching an opponent’s record
1-6, 0-6
Teams18 teams · 2023–2026
Over timerating by season, and how you rank
By level3 levels played
3.0
7.1%
1W–13L · 26.5% of games
3.5
0%
0W–5L · 16.7% of games
6.0mixed
62.5%
5W–3L · 51.4% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #2 Doubles, 30% of the time
#2 Doubles
30%
8 matches
#3 Doubles
26%
7 matches
#2 Singles
19%
5 matches
#1 Singles
15%
4 matches
#1 Doubles
11%
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.