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Kelsey Kosztowny

— year-end
25 matches · 6W–19L · seasons 2024–2026

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Match history25 matches
L
2026-05-19 · Sharma - Ace Ace Baby · #1 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
0-6, 1-6
L
2026-05-13 · Sharma - Ace Ace Baby · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
4-6, 0-6
W
2026-03-25 · Kosztowny · #1 Doubles · 6.0 · with Kevan Lee
doesn’t count toward your NTRP rating
6-3, 6-1
W
2026-03-18 · Kosztowny · #1 Doubles · 6.0 · with Zhenliang Gao
doesn’t count toward your NTRP rating
7-5, 4-6, 1-0
W
2026-03-07 · Kosztowny · #1 Doubles · 6.0 · with Kevan Lee
doesn’t count toward your NTRP rating
6-7, 7-6, 1-0
L
2026-02-11 · Kosztowny · #2 Doubles · 6.0 · with Malcolm Frazier
doesn’t count toward your NTRP rating
0-6, 1-6
W
Nancy Lao / James Parkermixed
2026-02-02 · Kosztowny · #3 Doubles · 6.0 · with Majed Hamawy
doesn’t count toward your NTRP rating
6-0, 6-1
W
2026-01-09 · Kosztowny · #2 Doubles · 6.0 · with Zhenliang Gao
doesn’t count toward your NTRP rating
6-1, 6-2
L
2024-05-10 · WH Kamerling SSL A18-3.0W · #2 Doubles · 3.0 · with Mary Peterson
expectation pending — we’re still fetching an opponent’s record
1-6, 0-6
L
2024-05-03 · WH Kamerling SSL A18-3.0W · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
0-6, 2-6
L
2024-04-27 · WH Menta SSL A18-3.0WW · #3 Doubles · 3.0 · with NANCY KRAPF
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
L
2024-03-30 · WH Menta SSL A18-3.0WW · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
3-6, 1-6
Teams18 teams · 2023–2026
6. June - Montgomery
2026 NO LEAGUE · ADMIN USE ONLY
2026
Brault - Court Queens
2026 NOVA Combo · NOVA Combo 5.5 Women
2026
Brault - Court Queens
2026 NOVA Singles · NOVA Singles 2.5 Women
2026
Kosztowny
2026 Montgomery Mixed 18 & Over · Montgomery Mixed 18 & Over 6.0 · 18+
2026
Sharma - Ace Ace Baby
2026 Montgomery Adult 18 & Over · Montgomery Adult 18 & Over 3.0 Women · 18+
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
83.3%
5W–1L · 58.9% of games

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

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.
Billie Jean King