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Charlotte Koster

Rye, NY
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
21 matches · 11W–10L · seasons 2022–2025

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Match history21 matches
L
2025-07-07 · Apawamis - Apo Aces · #2 Doubles · 3.5 · with Katharyn Kubursi
expectation pending — we’re still fetching an opponent’s record
5-7, 4-6
L
2025-06-16 · Apawamis - Apo Aces · #2 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
4-6, 6-2, 0-1
W
Judy Bloom / Ellen Dumark
2025-06-02 · Apawamis - Apo Aces · #2 Doubles · 3.5 · with Patty Mosher
expectation pending — we’re still fetching an opponent’s record
4-6, 6-4, 1-0
L
2025-05-05 · Apawamis - Apo Aces · #2 Doubles · 3.5 · with Michaela Giovengo
expectation pending — we’re still fetching an opponent’s record
6-3, 2-6, 1-0
L
Lindsey Anderson / Rene Trujillo
2024-07-15 · Southern: Apawamis Club - Apo Aces · #1 Doubles · 3.5 · with Elizabeth Lukes
expectation pending — we’re still fetching an opponent’s record
3-6, 6-3, 0-1
W
Megan Brausa / Molly Smith
2024-06-17 · Southern: Apawamis Club - Apo Aces · #3 Doubles · 3.5 · with Katharyn Kubursi
expectation pending — we’re still fetching an opponent’s record
6-2, 6-4
L
2024-06-03 · Southern: Apawamis Club - Apo Aces · #2 Doubles · 3.5 · with Michaela Giovengo
expectation pending — we’re still fetching an opponent’s record
2-6, 6-7
W
2024-04-29 · Southern: Apawamis Club - Apo Aces · #2 Doubles · 3.5 · with Michaela Giovengo
expectation pending — we’re still fetching an opponent’s record
6-4, 6-2
L
2023-07-12 · Apawamis: No APOlogies · #3 Doubles · 4.0 · with Maria Das Neves
expectation pending — we’re still fetching an opponent’s record
1-6, 6-2, 0-1
L
2023-07-10 · Apawamis: Apo Aces · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
0-6, 1-6
L
2023-07-06 · Apawamis: No APOlogies · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
0-6, 0-6
W
2023-06-26 · Apawamis: Apo Aces · #1 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-3, 2-6, 1-0
Where you rank locallyagainst everyone at your level
Teams4 teams · 2023–2025
Apawamis - Apo Aces
2025 18&Over Women · 3.5 · 18+
2025
Southern: Apawamis Club - Apo Aces
2024 18&Over Women · 3.5 · 18+
2024
Apawamis: Apo Aces
2023 18&Over Women · 3.5 · 18+
2023
Apawamis: No APOlogies
2023 18&Over Women · 4.0 · 18+
2023
Over timerating by season, and how you rank
By level2 levels played
3.5
57.9%
11W–8L · 53.3% of games
4.0
0W–2L
not enough matches yet

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