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Peter Karlen

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Mill Valley, CA
5.0S year-end 2026
i
Self-rated, or a medical appeal
7 matches · 2W–5L · seasons 2022–2026
Match history7 matches
L
2026-10-11 · MILL VALLEY CM9.5A · #3 Doubles · 9.5 · with Paul Stiff
doesn’t count toward your NTRP rating
3-6, 3-6
W
2026-10-03 · MILL VALLEY CM9.5A · #2 Doubles · 9.5 · with Jacques Soenens
doesn’t count toward your NTRP rating
6-4, 6-2
L
2026-09-26 · MILL VALLEY CM9.5A · #1 Doubles · 9.5 · with Matt Dunn
doesn’t count toward your NTRP rating
5-7, 5-7
L
2022-05-24 · OLYMPIC 18AM5.0A · #1 Doubles · 5.0 · with Jeff Urban
loading the estimate
3-6, 2-6
L
2022-02-12 · OLYMPIC 40AM5.0+A · #2 Doubles · 5.0 · with Chris Wolfe
loading the estimate
5-7, 2-6
W
2022-02-05 · OLYMPIC 40AM5.0+A · #3 Doubles · 5.0 · with David Hultman
loading the estimate
6-2, 6-4
L
2022-01-22 · OLYMPIC 40AM5.0+A · #3 Doubles · 5.0 · with Geoff Cykman
loading the estimate
4-6, 4-6
Where you rank locallyagainst everyone at your level
Teams4 teams · 2020–2026
Over timerating by season, and how you rank
By level2 levels played
5.0
25%
1W–3L · 42.7% of games
9.5
1W–2L
not enough matches yet

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

By lineusually #3 Doubles, 43% of the time
#3 Doubles
43%
3 matches
#1 Doubles
29%
2 matches
#2 Doubles
29%
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.

The mark of great sportsmen is not how good they are at their best, but how good they are at their worst.
Martina Navratilova