Jonathon Karsten
10 matches · 6W–4L · seasons 2025–2026
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Match history10 matches
L
expectation pending — we’re still fetching an opponent’s record
1-6, 5-7
W
N/A
expectation pending — we’re still fetching an opponent’s record
6-0, 6-0
W
expectation pending — we’re still fetching an opponent’s record
6-0, 6-0
W
expectation pending — we’re still fetching an opponent’s record
6-3, 4-6, 1-0
L
expectation pending — we’re still fetching an opponent’s record
6-3, 3-6, 0-1
Teams4 teams · 2025–2026
Over timerating by season, and how you rank
By level2 levels played
0.0
60%
3W–2L · 61% of games
4.5
60%
3W–2L · 56.1% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Singles, 40% of the time
#1 Singles
40%
4 matches
#2 Doubles
30%
3 matches
#1 Doubles
10%
1 match
#2 Singles
10%
1 match
#3 Doubles
10%
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.