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Charlie Koo

SHELTON, CT
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
40 matches · 12W–28L · seasons 20222025

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Match history40 matches
L
2025-07-17 · AFV: Smash Bros · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
0-6, 7-5, 0-1
L
2025-07-10 · AFV: Smash Bros · #2 Doubles · 4.0 · with Charles Knirsch
expectation pending — we’re still fetching an opponent’s record
4-6, 2-6
W
2025-05-29 · AFV: Smash Bros · #1 Doubles · 4.0 · with John Codina
expectation pending — we’re still fetching an opponent’s record
5-7, 7-5, 1-0
L
2025-05-01 · AFV: Smash Bros · #1 Doubles · 4.0 · with John Codina
expectation pending — we’re still fetching an opponent’s record
1-6, 4-6
L
2025-04-05 · WTC: Tri-4.0 Triple Takes · #1 Doubles · 4.0 · with Alexander Fear
expectation pending — we’re still fetching an opponent’s record
2-6, 6-3, 1-0
L
2025-03-08 · WTC: Tri-4.0 Triple Takes · #1 Doubles · 4.0 · with Alexander Fear
expectation pending — we’re still fetching an opponent’s record
1-6, 3-6
L
Christopher Greene / Dave Skaff
2025-03-01 · WTC: Tri-4.0 Triple Takes · #1 Doubles · 4.0 · with Shaun Lu
expectation pending — we’re still fetching an opponent’s record
1-6, 6-2, 1-0
L
2025-02-01 · WTC: Tri-4.0 Triple Takes · #1 Doubles · 4.0 · with Will Cheng
expectation pending — we’re still fetching an opponent’s record
0-6, 3-6
L
Olga Dubin / Derek Rahmanmixed
2024-11-10 · Yonkers United · #3 Doubles · 7.0 · with Caroline Sabas
doesn’t count toward your NTRP rating
4-6, 2-6
W
Megan Brausa / Joe Treadwaymixed
2024-11-03 · Yonkers United · #2 Doubles · 7.0 · with Lan Yao
doesn’t count toward your NTRP rating
6-2, 6-4
W
2024-07-18 · Yonkers: Smash Bros · #2 Doubles · 4.0 · with Charles Knirsch
expectation pending — we’re still fetching an opponent’s record
4-6, 7-5, 1-0
L
2024-07-11 · Yonkers: Smash Bros · #2 Doubles · 4.0 · with Charles Knirsch
expectation pending — we’re still fetching an opponent’s record
6-4, 3-6, 0-1
Where you rank locallyagainst everyone at your level
Teams7 teams · 2023–2025
Over timerating by season, and how you rank
By level3 levels played
4.0
25.8%
8W–23L · 43.5% of games
4.5
0W–2L
not enough matches yet
7.0mixed
57.1%
4W–3L · 47.4% 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.

I really think a champion is defined not by their wins but by how they can recover when they fall.
Serena Williams