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Sebastian Felsen

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Berwyn, PA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
19 matches · 10W–9L · seasons 2019–2026
Match history19 matches
L
2026-07-09 · UMLY · #4 Doubles · 4.0 · with Jonathan Levine
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3-6, 5-7
L
2026-06-09 · UMLY · #3 Doubles · 4.0 · with Ezra Felker
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4-6, 1-6
L
2025-07-26 · UMLY United · #1 Singles · 4.5
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3-6, 2-6
L
2025-06-07 · #2 Singles · 4.0
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6-7, 1-6
W
Daniel Hopping
2025-05-03 · #1 Singles · 4.0
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6-4, 6-4
L
2025-04-26 · #2 Singles · 4.0
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1-6, 6-4, 0-1
W
2024-06-23 · #2 Singles · 4.0
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6-1, 1-6, 1-0
L
2024-06-15 · #2 Singles · 4.0
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6-2, 4-6, 0-1
L
2024-05-31 · #2 Singles · 4.0
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6-4, 5-7, 0-1
W
Craig Schmerling
2023-06-10 · #2 Singles · 4.0
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6-3, 6-0
L
2022-06-18 · #2 Doubles · 4.0 · with Leslie Book
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7-6, 3-6, 0-1
W
2022-06-14 · #2 Singles · 4.0
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6-2, 7-6
Where you rank locallyagainst everyone at your level
Teams2 teams · 2022–2026
Over timerating by season, and how you rank
By level3 levels played
3.5
83.3%
5W–1L · 76.9% of games
4.0
41.7%
5W–7L · 50% of games
4.5
0W–1L
not enough matches yet

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

By lineusually #2 Singles, 58% of the time
#2 Singles
58%
11 matches
#1 Singles
21%
4 matches
#1 Doubles
5%
1 match
#2 Doubles
5%
1 match
#3 Doubles
5%
1 match
#4 Doubles
5%
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.

What matters isn’t how well you play when you’re playing well. What matters is how well you play when you’re playing badly.
Martina Navratilova