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James Serafin

Knoxville, TN
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
40 matches · 19W–21L · seasons 2023–2026

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Match history40 matches
L
2026-05-09 · Lucas/Knoxville · #3 Doubles · 4.0 · with William Jarvis
expectation pending — we’re still fetching an opponent’s record
3-6, 3-6
L
2026-05-03 · Webster-Gaby/Knoxville · #1 Doubles · 4.0 · with Matt Webster
expectation pending — we’re still fetching an opponent’s record
3-6, 4-6
L
Jason Brown / Daniel Unger
2026-05-02 · Lucas/Knoxville · #1 Doubles · 4.0 · with Matt Webster
expectation pending — we’re still fetching an opponent’s record
7-6, 4-6, 1-0
L
John Bui / Daniel Messing
2026-04-19 · Webster-Gaby/Knoxville · #2 Doubles · 4.0 · with Matt Webster
expectation pending — we’re still fetching an opponent’s record
6-3, 0-6, 0-1
L
2026-04-11 · Lucas/Knoxville · #4 Doubles · 4.0 · with William Jarvis
expectation pending — we’re still fetching an opponent’s record
0-6, 4-6
L
2026-03-22 · Webster-Gaby/Knoxville · #3 Doubles · 4.0 · with Steve Atkins
expectation pending — we’re still fetching an opponent’s record
4-6, 7-6, 0-1
W
2026-03-15 · Webster-Gaby/Knoxville · #3 Doubles · 4.0 · with Rob Lucas
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
W
2026-01-29 · Deucebags · #3 Doubles · 3.5 · with Tim Welch
expectation pending — we’re still fetching an opponent’s record
6-4, 6-4
L
Sean Wilson / John Bui
2026-01-24 · Snyder/Knoxville · #1 Doubles · 4.0 · with Chip Criswell
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
L
2025-12-07 · Tanaru/Knoxville · #4 Doubles · 4.0 · with William Jarvis
expectation pending — we’re still fetching an opponent’s record
2-6, 3-6
W
2025-11-09 · Tanaru/Knoxville · #3 Doubles · 4.0 · with Matt Webster
expectation pending — we’re still fetching an opponent’s record
6-1, 6-3
W
2025-10-05 · Tanaru/Knoxville · #3 Doubles · 4.0 · with Matt Webster
expectation pending — we’re still fetching an opponent’s record
6-1, 6-1
Where you rank locallyagainst everyone at your level
Teams36 teams · 2021–2027
Over timerating by season, and how you rank
By level5 levels played
3.5
70%
7W–3L · 59% of games
4.0
28.6%
6W–15L · 44.5% of games
7.5
0W–2L
not enough matches yet
8.5
3W–0L
not enough matches yet
3.5mixed
75%
3W–1L · 59.3% of games

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #1 Doubles, 38% of the time
#1 Doubles
38%
15 matches
#3 Doubles
33%
13 matches
#2 Doubles
18%
7 matches
#4 Doubles
8%
3 matches
#1 Singles
3%
1 match
#2 Singles
3%
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.

Champions keep playing until they get it right.
Billie Jean King