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Katherine Waldthausen

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Palm Harbor, FL
5.0S year-end 2026
i
Self-rated, or a medical appeal
15 matches · 9W–6L · seasons 2023–2026
Match history15 matches
L
2026-08-16 · HILLS/Bruning · #2 Doubles · 5.0 · with Lilivette Arroyo championship
loading the estimate
1-6, 1-6
W
2026-08-15 · HILLS/Bruning · #2 Doubles · 5.0 · with Katie Koperski championship
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6-1, 1-6, 1-0
W
2026-07-25 · HILLS/Bruning · #1 Doubles · 5.0 · with Jordana Klein
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6-3, 6-1
W
2026-06-27 · HILLS/Bruning · #2 Doubles · 5.0 · with Bec Bruning
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6-0, 6-1
W
2026-06-07 · HILLS/Bruning · #2 Doubles · 5.0 · with Lilivette Arroyo
loading the estimate
6-2, 7-6
W
2024-06-30 · Hills/Lund-Paiva/18&Over5.0W · #2 Doubles · 5.0 · with Melissa Mackey
loading the estimate
6-3, 6-7, 1-0
L
Paradise Traub / Randolph Gibson
2023-09-10 · Pinellas/Kronk/Mixed18&Over9.0 · #3 Doubles · 9.0 · with Erik Breitenbach mixed championship
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, 6-7
L
2023-09-09 · Pinellas/Kronk/Mixed18&Over9.0 · #1 Doubles · 9.0 · with Erik Breitenbach mixed championship
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
W
2023-06-11 · Pinellas/Kronk/Mixed18&Over9.0 · #1 Doubles · 9.0 · with Andreas Waldthausen mixed
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.
3-6, 7-5, 1-0
L
2023-06-04 · Pinellas/Kronk/Mixed18&Over9.0 · #1 Doubles · 9.0 · with Erik Breitenbach mixed
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.
3-6, 6-7
L
2023-05-21 · Pinellas/Kronk/Mixed18&Over9.0 · #2 Doubles · 9.0 · with Andreas Waldthausen mixed
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, 6-7
W
2023-05-09 · Pinellas/Kronk/Mixed18&Over9.0 · #2 Doubles · 9.0 · with Erik Breitenbach mixed
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.
7-5, 5-7, 1-0
Where you rank locallyagainst everyone at your level
Teams3 teams · 2023–2026
Over timerating by season, and how you rank
By level2 levels played
5.0
83.3%
5W–1L · 58.8% of games
9.0mixed
44.4%
4W–5L · 47.8% of games

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

By lineusually #2 Doubles, 60% of the time
#2 Doubles
60%
9 matches
#1 Doubles
33%
5 matches
#3 Doubles
7%
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.

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