John Ko
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Greenville, SC
48 matches · 21W–27L · seasons 2019–2026
Match history48 matches
Where you rank locallyagainst everyone at your level
Teams23 teams · 2019–2026
Over timerating by season, and how you rank
By level4 levels played
3.5
1W–1L
not enough matches yet
4.5
45.5%
15W–18L · 52.5% of games
8.5
44.4%
4W–5L · 49.4% of games
9.5
1W–1L
not enough matches yet
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #2 Doubles, 35% of the time
#2 Doubles
35%
17 matches
#1 Doubles
29%
14 matches
#3 Doubles
27%
13 matches
#2 Singles
6%
3 matches
#3 Singles
2%
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.
Every match is a story with a beginning, a middle and an end, and you are writing it as you go.