James Serafin
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Knoxville, TN
135 matches · 71W–64L · seasons 2018–2026
Match history135 matches
Where you rank locallyagainst everyone at your level
Teams50 teams · 2019–2027
Over timerating by season, and how you rank
By level7 levels played
3.5
71.9%
41W–16L · 61.8% of games
4.0
20.5%
9W–35L · 42.3% of games
6.5
1W–1L
not enough matches yet
7.5
50%
8W–8L · 50.2% of games
8.5
80%
4W–1L · 58% of games
3.5mixed
75%
3W–1L · 59.3% of games
7.0mixed
71.4%
5W–2L · 57.7% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 33% of the time
#1 Doubles
33%
44 matches
#3 Doubles
33%
44 matches
#2 Doubles
22%
30 matches
#1 Singles
5%
7 matches
#2 Singles
5%
7 matches
#4 Doubles
2%
3 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.
Champions keep playing until they get it right.