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James Kaczorowski

Perrysburg, OH
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
229 matches · 134W–95L · seasons 20192026

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Match history229 matches
W
2026-07-29 · NWO 40&Over 4.0M Williamson/Swartzbeck PTC · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
6-4, 6-1
W
2026-07-28 · NWO 18&Over 4.0M Meyer-PTC · #2 Doubles · 4.0 · with Aaron Hershberger
expectation pending — we’re still fetching an opponent’s record
4-6, 7-6, 1-0
W
2026-07-20 · NWO 18&Over 4.5M Uribes-BGSU · #3 Doubles · 4.5 · with Caleb Bundy
expectation pending — we’re still fetching an opponent’s record
6-2, 3-6, 1-0
L
2026-07-15 · NWO 40&Over 4.0M Williamson/Swartzbeck PTC · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
6-4, 4-6, 0-1
L
2026-07-14 · NWO 18&Over 4.0M Meyer-PTC · #1 Doubles · 4.0 · with Benjamin Marshall
expectation pending — we’re still fetching an opponent’s record
4-6, 4-6
L
2026-07-08 · NWO 40&Over 4.0M Williamson/Swartzbeck PTC · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
4-6, 5-7
L
Ryan Brown / Robert Winsor
2026-07-06 · NWO 18&Over 4.5M Uribes-BGSU · #3 Doubles · 4.5 · with Caleb Goff
expectation pending — we’re still fetching an opponent’s record
4-6, 2-6
L
2026-06-30 · NWO 18&Over 4.0M Meyer-PTC · #2 Doubles · 4.0 · with Aaron Hershberger
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
L
Hritik Dhar / William Estes
2026-06-29 · NWO 18&Over 4.5M Uribes-BGSU · #3 Doubles · 4.5 · with Clayton Gifford
expectation pending — we’re still fetching an opponent’s record
1-6, 5-7
L
Vincent Halliday / Sam Swisher
2026-06-28 · NWO 18&Over 4.0M Meyer-PTC · #1 Doubles · 4.0 · with Brian Meyer
expectation pending — we’re still fetching an opponent’s record
3-6, 5-7
L
2026-06-08 · NWO 18&Over 4.5M Uribes-BGSU · #3 Doubles · 4.5 · with Clayton Gifford
expectation pending — we’re still fetching an opponent’s record
0-6, 1-6
L
2026-06-02 · NWO 18&Over 4.0M Meyer-PTC · #1 Doubles · 4.0 · with Aaron Hershberger
expectation pending — we’re still fetching an opponent’s record
2-6, 1-6
Where you rank locallyagainst everyone at your level
Teams22 teams · 2024–2026
Over timerating by season, and how you rank
By level10 levels played
3.0
0W–1L
not enough matches yet
3.5
92.3%
12W–1L · 64.8% of games
4.0
50%
31W–31L · 51.9% of games
4.5
33.3%
4W–8L · 42.2% of games
6.5
87.5%
21W–3L · 60.8% of games
7.5
64.7%
11W–6L · 54.9% of games
8.5
33.3%
2W–4L · 43.6% of games
6.0mixed
100%
9W–0L · 70.1% of games
7.0mixed
57.5%
23W–17L · 55.4% of games
8.0mixed
40.9%
9W–13L · 50.5% of games

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

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.

The mark of great sportsmen is not how good they are at their best, but how good they are at their worst.
Martina Navratilova