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Karl Wolfenberger

— year-end
85 matches · 32W–53L · seasons 2019–2026

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Match history85 matches
L
2026-05-16 · Martinez 55s 7.0M/IS · #1 Doubles · 7.0 · with George Martinez
expectation pending — we’re still fetching an opponent’s record
4-6, 5-7
W
2026-05-09 · OK/Denne/55&over8.0M · #2 Doubles · 8.0 · with Eric Kuykendall
expectation pending — we’re still fetching an opponent’s record
6-4, 6-4
L
2026-05-09 · Martinez 55s 7.0M/IS · #2 Doubles · 7.0 · with Larry Birch
expectation pending — we’re still fetching an opponent’s record
6-7, 6-1, 0-1
W
2026-04-25 · Martinez 55s 7.0M/IS · #1 Doubles · 7.0 · with Larry Birch
expectation pending — we’re still fetching an opponent’s record
6-1, 6-0
W
2026-04-19 · OK/Denne/55&over8.0M · #3 Doubles · 8.0 · with Eric Kuykendall
expectation pending — we’re still fetching an opponent’s record
6-4, 6-2
W
2026-04-18 · Martinez 55s 7.0M/IS · #1 Doubles · 7.0 · with Glen Gulledge
expectation pending — we’re still fetching an opponent’s record
6-3, 6-3
W
2026-04-18 · Martinez 55s 7.0M/IS · #2 Doubles · 7.0 · with Lynn Fesperman
expectation pending — we’re still fetching an opponent’s record
6-2, 6-2
L
Robert Mitchell / Troy Smith
2026-04-13 · Martinez 55s 7.0M/IS · #2 Doubles · 7.0 · with Jeffrey Spillars
expectation pending — we’re still fetching an opponent’s record
3-6, 7-5, 0-1
L
2026-03-11 · Martinez/4.0M/IS · #3 Doubles · 4.0 · with George Martinez
expectation pending — we’re still fetching an opponent’s record
3-6, 0-6
W
2026-03-07 · OK/Denne/55&over8.0M · #2 Doubles · 8.0 · with Lane Wilson
expectation pending — we’re still fetching an opponent’s record
6-3, 6-7, 1-0
L
2026-03-05 · Martinez/4.0M/IS · #3 Doubles · 4.0 · with Lynn Fesperman
expectation pending — we’re still fetching an opponent’s record
6-3, 2-6, 0-1
L
2025-10-20 · Martinez/4.0M/IS · #1 Doubles · 4.0 · with Lynn Fesperman
expectation pending — we’re still fetching an opponent’s record
1-6, 0-6
Teams15 teams · 2020–2026
Over timerating by season, and how you rank
By level4 levels played
4.0
36.7%
11W–19L · 46.8% of games
7.0
50%
3W–3L · 59.8% of games
8.0
40.5%
15W–22L · 46.3% of games
8.0mixed
25%
3W–9L · 39.8% of games

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

By lineusually #2 Doubles, 37% of the time
#2 Doubles
37%
31 matches
#1 Doubles
32%
27 matches
#3 Doubles
27%
23 matches
#1 Singles
2%
2 matches
#4 Doubles
2%
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.

Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.
Billie Jean King