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Karen Frederick

— year-end
151 matches · 78W–73L · seasons 2019–2026

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Match history151 matches
L
2026-07-31 · X18 6.0 MV2 Herbruck · #1 Doubles · 6.0 · with Trip Herbruck mixed
doesn’t count toward your NTRP rating
2-6, 7-5, 0-1
L
Matthew Thomas / Michelle Pinnow
2026-07-12 · X18 6.0 MV2 Herbruck · #1 Doubles · 6.0 · with Alexander Khaykin mixed
doesn’t count toward your NTRP rating
3-6, 2-6
L
2026-07-11 · A40 3.0W MV1 Cunningham · #3 Doubles · 3.0 · with Therese Cunningham
expectation pending — we’re still fetching an opponent’s record
6-7, 6-3, 0-1
W
2026-07-08 · A18 3.0W MV2 Gorjup · #3 Doubles · 3.0 · with Tao You
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
W
2026-07-06 · A40 3.0W MV1 Cunningham · #2 Doubles · 3.0 · with Therese Cunningham
expectation pending — we’re still fetching an opponent’s record
7-6, 6-2
W
2026-06-28 · X18 6.0 MV2 Herbruck · #1 Doubles · 6.0 · with Trip Herbruck mixed
doesn’t count toward your NTRP rating
6-2, 6-4
W
2026-06-24 · A18 3.0W MV2 Gorjup · #2 Doubles · 3.0 · with Shari Thompson
expectation pending — we’re still fetching an opponent’s record
6-4, 6-1
W
2026-06-15 · A40 3.0W MV1 Cunningham · #2 Doubles · 3.0 · with Meghan Sabitsch
expectation pending — we’re still fetching an opponent’s record
3-6, 6-0, 1-0
L
2026-06-10 · A18 3.0W MV2 Gorjup · #1 Doubles · 3.0 · with Therese Cunningham
expectation pending — we’re still fetching an opponent’s record
5-7, 6-7
L
Oscar Martinez A / Felicia Norman
2026-06-07 · X18 6.0 MV2 Herbruck · #1 Doubles · 6.0 · with Michael Brockman mixed
doesn’t count toward your NTRP rating
6-4, 2-6, 0-1
W
2026-06-01 · A40 3.0W MV1 Cunningham · #1 Doubles · 3.0 · with Gwen Anderson
expectation pending — we’re still fetching an opponent’s record
7-6, 6-0
W
2026-05-31 · X18 6.0 MV2 Herbruck · #1 Doubles · 6.0 · with Michael Brockman mixed
doesn’t count toward your NTRP rating
6-3, 6-4
Teams39 teams · 2021–2026
Over timerating by season, and how you rank
By level6 levels played
2.5
68.8%
11W–5L · 57.5% of games
3.0
49.1%
28W–29L · 50% of games
5.5
50%
17W–17L · 49.1% of games
6.5
30%
3W–7L · 45.4% of games
6.0mixed
59.4%
19W–13L · 53.4% of games
6.5mixed
0W–2L
not enough matches yet

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

By lineusually #1 Doubles, 38% of the time
#1 Doubles
38%
57 matches
#2 Doubles
34%
52 matches
#3 Doubles
15%
23 matches
#1 Singles
7%
11 matches
#2 Singles
3%
5 matches
#4 Doubles
2%
3 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.

Pressure is a privilege.
Billie Jean King