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Jason Kasarsky

White Plains, NY
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
55 matches · 16W–39L · seasons 2019–2026

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Match history55 matches
W
2026-07-13 · County Tennis 40+ 4.0 M - Cryptoballers · #3 Doubles · 4.0 · with Jeff Kozak
expectation pending — we’re still fetching an opponent’s record
6-1, 6-2
L
2026-06-02 · County Tennis 40+ 4.0 M - Cryptoballers · #3 Doubles · 4.0 · with Gary Worobow
expectation pending — we’re still fetching an opponent’s record
2-6, 3-6
L
2026-05-19 · County Tennis 40+ 4.0 M - Cryptoballers · #3 Doubles · 4.0 · with David Cautin
expectation pending — we’re still fetching an opponent’s record
2-6, 1-6
L
2025-08-06 · County Tennis Cryptoballers 8.0 · #2 Doubles · 8.0 · with Jeff Kozak
expectation pending — we’re still fetching an opponent’s record
1-6, 3-6
L
2025-07-22 · County Tennis Cryptoballers 4.0 · #3 Doubles · 4.0 · with Jeff Kozak
expectation pending — we’re still fetching an opponent’s record
1-6, 0-6
W
2025-07-16 · County Tennis Cryptoballers 8.0 · #3 Doubles · 8.0 · with Andy Scharf
expectation pending — we’re still fetching an opponent’s record
6-1, 7-6
L
2025-07-15 · County Tennis Cryptoballers 4.0 · #3 Doubles · 4.0 · with Jeff Kozak
expectation pending — we’re still fetching an opponent’s record
3-6, 1-6
W
2025-06-16 · County Tennis Cryptoballers 8.0 · #3 Doubles · 8.0 · with Jeff Kozak
expectation pending — we’re still fetching an opponent’s record
5-7, 6-3, 1-0
L
David Lee / Russvelt Vyas
2025-06-11 · County Tennis Cryptoballers 8.0 · #3 Doubles · 8.0 · with Robert Mitchell
expectation pending — we’re still fetching an opponent’s record
3-6, 1-6
W
2025-06-02 · Eastern/Dalton/65&Over8.0M · #3 Doubles · 8.0 · with Michael Dalton
expectation pending — we’re still fetching an opponent’s record
2-6, 6-3, 1-0
W
2024-08-15 · Southern: Armonk 865 · #3 Doubles · 8.0 · with Michael Gelb
expectation pending — we’re still fetching an opponent’s record
7-6, 6-1
L
2024-08-14 · #3 Doubles · 8.0 · with Jeff Kozak
expectation pending — we’re still fetching an opponent’s record
2-6, 0-6
Where you rank locallyagainst everyone at your level
Teams13 teams · 2021–2027
Over timerating by season, and how you rank
By level3 levels played
4.0
33.3%
6W–12L · 44.3% of games
4.5
0%
0W–9L · 26.7% of games
8.0
33.3%
9W–18L · 43.4% of games

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #3 Doubles, 46% of the time
#3 Doubles
46%
25 matches
#2 Doubles
29%
16 matches
#1 Doubles
26%
14 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.

You always want to win. That is why you play tennis, because you love the sport and try to be the best you can.
Roger Federer