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Claudia Ellen Zimmerman

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Longboat Key, FL
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
46 matches · 17W–29L · seasons 2019–2025
Match history46 matches
L
2025-03-20 · LBK Public Serve-ivors · #2 Doubles · 8.0 · with Sandra Duryea
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
5-7, 2-6
L
2025-03-13 · LBK Public Serve-ivors · #1 Doubles · 8.0 · with Linda Steen
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
4-6, 4-6
L
2025-03-06 · LBK Public Serve-ivors · #3 Doubles · 8.0 · with Sandra Duryea
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
2-6, 6-3, 0-1
W
2025-02-20 · LBK Public Serve-ivors · #1 Doubles · 8.0 · with Linda Steen
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
6-3, 6-4
L
2025-02-03 · LBK Public Serve-ivors · #3 Doubles · 8.0 · with Nancy Smith
no estimate for this season
i
Our model did not follow this player through that season: none of their matches that season carried an individual NTRP level (55 & Over and combo leagues are rated on combined levels), so it had nothing to start from. The match still counts toward the USTA rating.
6-7, 6-4, 0-1
W
2024-10-25 · ATC/MOSAKOWSKI/PARKER · #1 Doubles · 4.0 · with Elizabeth Dagley
loading the estimate
3-6, 6-2, 6-2
L
2024-10-11 · ATC/MOSAKOWSKI/PARKER · #2 Doubles · 4.0 · with Jeanne Mosakowski
loading the estimate
7-5, 6-7, 2-6
L
2024-10-04 · ATC/MOSAKOWSKI/PARKER · #1 Doubles · 4.0 · with Elizabeth Dagley
loading the estimate
4-6, 2-6
W
2024-10-03 · ATC/MOSAKOWSKI/PARKER · #2 Doubles · 4.0 · with Jeanne Mosakowski
loading the estimate
6-4, 6-3
L
2024-05-07 · LBK Public Schonhoff · #3 Doubles · 4.0 · with Sandy Schonhoff
loading the estimate
2-6, 6-7
W
2024-05-03 · LBK Public Schonhoff · #1 Singles · 4.0
loading the estimate
6-2, 6-0
L
2024-04-30 · LBK Public Schonhoff · #2 Doubles · 4.0 · with Jackie Gibbins
loading the estimate
3-6, 3-6
Where you rank locallyagainst everyone at your level
Teams13 teams · 2019–2026
Over timerating by season, and how you rank
By level2 levels played
4.0
41.4%
12W–17L · 47.4% of games
8.0
29.4%
5W–12L · 47.3% of games

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

By lineusually #2 Doubles, 37% of the time
#2 Doubles
37%
17 matches
#3 Doubles
28%
13 matches
#1 Doubles
26%
12 matches
#1 Singles
7%
3 matches
#2 Singles
2%
1 match

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.

I really think a champion is defined not by their wins but by how they can recover when they fall.
Serena Williams