Yoon Koo
9 matches · 4W–5L · seasons 2026–2026
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Match history9 matches
Teams2 teams · 2026–2026
Over timerating by season, and how you rank
By level1 levels played
3.0mixed
44.4%
4W–5L · 46.8% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #3 Doubles, 89% of the time
#3 Doubles
89%
8 matches
#2 Doubles
11%
1 match
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.
Start where you are. Use what you have. Do what you can.