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Karen Frederick

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Mentor, OH
3.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
171 matches · 86W–85L · seasons 2019–2026
Match history171 matches
W
2026-10-24 · C 6.5W MV2 Zhang · #1 Doubles · 6.5 · with Lishan Zhang
doesn’t count toward your NTRP rating
6-2, 6-1
W
2026-10-11 · CX 6.5 MV1 Herbruck · #3 Doubles · 6.5 · with Trip Herbruck mixed
doesn’t count toward your NTRP rating
6-2, 6-3
L
2026-10-10 · C 6.5W MV2 Zhang · #2 Doubles · 6.5 · with Lishan Zhang
doesn’t count toward your NTRP rating
5-7, 6-3, 0-1
W
2026-10-02 · C 6.5W MV2 Zhang · #3 Doubles · 6.5 · with Lishan Zhang
doesn’t count toward your NTRP rating
6-0, 6-0
W
2026-09-26 · C 6.5W MV2 Zhang · #3 Doubles · 6.5 · with Lishan Zhang
doesn’t count toward your NTRP rating
6-2, 6-3
L
2026-08-30 · X40 6.0 MV1 Herbruck · #1 Doubles · 6.0 · with Michael Brockman mixed championship
doesn’t count toward your NTRP rating
4-6, 5-7
L
2026-08-23 · X18 6.0 MV2 Herbruck · #1 Doubles · 6.0 · with Mike Ushats mixed championship
doesn’t count toward your NTRP rating
0-6, 4-6
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
2026-07-22 · #2 Doubles · 3.0 · with Tao You championship
loading the estimate
2-6, 1-6
L
2026-07-13 · A40 3.0W MV1 Cunningham · #2 Doubles · 3.0 · with Meghan Sabitsch
loading the estimate
4-6, 6-3, 0-1
L
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
loading the estimate
6-7, 6-3, 0-1
Where you rank locallyagainst everyone at your level
Teams50 teams · 2019–2026
Over timerating by season, and how you rank
By level6 levels played
2.5
68.8%
11W–5L · 57.5% of games
3.0
44.8%
30W–37L · 48.1% of games
5.5
50%
18W–18L · 48.8% of games
6.5
42.9%
6W–8L · 52.2% of games
6.0mixed
57.1%
20W–15L · 52.8% of games
6.5mixed
1W–2L
not enough matches yet

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

By lineusually #1 Doubles, 37% of the time
#1 Doubles
37%
63 matches
#2 Doubles
35%
60 matches
#3 Doubles
16%
27 matches
#1 Singles
7%
12 matches
#2 Singles
4%
6 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.

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Billie Jean King