Barbara Koo
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San Francisco, CA
75 matches · 25W–50L · seasons 2019–2026
Match history75 matches
Where you rank locallyagainst everyone at your level
Teams31 teams · 2019–2026
Over timerating by season, and how you rank
By level6 levels played
3.0
40.6%
13W–19L · 47.3% of games
3.5
50%
2W–2L · 40.3% of games
6.5
37.5%
6W–10L · 39.6% of games
7.0
20%
3W–12L · 33.7% of games
6.0mixed
20%
1W–4L · 47% of games
7.0mixed
0W–3L
not enough matches yet
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #3 Doubles, 52% of the time
#3 Doubles
52%
39 matches
#2 Doubles
32%
24 matches
#1 Doubles
16%
12 matches
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.
The mark of great sportsmen is not how good they are at their best, but how good they are at their worst.