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Karen Frederick

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Los Gatos, CA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
222 matches · 103W–119L · seasons 2018–2026
Match history222 matches
W
2026-10-16 · #2 Doubles · 7.0 · with Kevin Saxon mixed
doesn’t count toward your NTRP rating
6-1, 6-4
L
2026-09-06 · #1 Doubles · 7.0 · with Kevin Saxon mixed
doesn’t count toward your NTRP rating
4-6, 2-6
L
2026-09-03 · MORGAN HILL TC/MORGAN HILL TC CW8.5A · #3 Doubles · 8.5 · with Michele Rumfola
doesn’t count toward your NTRP rating
2-6, 1-6
W
2026-08-13 · ALMADEN VAC 40MX8.0A · #2 Doubles · 8.0 · with Wei Han mixed
doesn’t count toward your NTRP rating
6-3, 3-6, 1-0
L
2026-07-21 · ALMADEN VAC 40MX8.0A · #1 Doubles · 8.0 · with Raghu Bhat mixed
doesn’t count toward your NTRP rating
4-6, 4-6
L
2026-07-19 · ALMADEN VAC 40MX8.0A · #2 Doubles · 8.0 · with Ryan Low mixed
doesn’t count toward your NTRP rating
3-6, 5-7
L
2026-06-16 · ALMADEN VAC 40MX8.0A · #2 Doubles · 8.0 · with Raphael Durst mixed
doesn’t count toward your NTRP rating
3-6, 2-6
W
2026-06-14 · ALMADEN VAC 18AW4.0A · #2 Doubles · 4.0 · with Jean Welch
loading the estimate
6-3, 6-2
L
2026-05-23 · ALMADEN VAC 18AW4.0A · #2 Doubles · 4.0 · with Rini Sidartawan-Lie
loading the estimate
4-6, 6-3, 0-1
W
2026-05-16 · ALMADEN VAC 18AW4.0A · #1 Doubles · 4.0 · with Kristin Perry
loading the estimate
6-4, 2-6, 1-0
W
2026-05-06 · LOS GATOS SR 55AW8.0A · #2 Doubles · 8.0 · with Kelly Nichols
loading the estimate
7-5, 4-6, 1-0
W
2026-04-25 · ALMADEN VAC 18AW4.0A · #1 Doubles · 4.0 · with Dina Nevarez
loading the estimate
6-4, 2-6, 1-0
Where you rank locallyagainst everyone at your level
Teams66 teams · 2019–2026
Over timerating by season, and how you rank
By level6 levels played
4.0
49.5%
52W–53L · 49.5% of games
7.5
61.5%
8W–5L · 54.7% of games
8.0
71%
22W–9L · 54.3% of games
8.5
25%
7W–21L · 39.7% of games
7.0mixed
50%
3W–3L · 50.4% of games
8.0mixed
28.2%
11W–28L · 40.9% of games

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

By lineusually #1 Doubles, 47% of the time
#1 Doubles
47%
104 matches
#2 Doubles
35%
78 matches
#3 Doubles
18%
40 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.

Losing is not my enemy. Fear of losing is my enemy.
Rafael Nadal