James Duff
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Alameda, CA
25 matches · 16W–9L · seasons 2026–2026
USTA moved this player up a level mid-season in 2026. A published rating does not change until the end of the year, so the level shown above can be behind what USTA has already decided.
Match history25 matches
Where you rank locallyagainst everyone at your level
Teams6 teams · 2026–2026
Over timerating by season, and how you rank
By level5 levels played
3.5
88.9%
8W–1L · 59.2% of games
4.0
0W–2L
not enough matches yet
7.5
75%
3W–1L · 52.6% of games
7.0mixed
42.9%
3W–4L · 54.4% of games
8.0mixed
2W–1L
not enough matches yet
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 44% of the time
#1 Doubles
44%
11 matches
#3 Doubles
36%
9 matches
#2 Doubles
12%
3 matches
#1 Singles
8%
2 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.
Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.