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John Koza

— year-end
10 matches · 5W–5L · seasons 2025–2026

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Match history10 matches
L
2026-05-28 · SS-LGT RED · #1 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
1-6, 6-7
W
2026-05-07 · SS-LGT RED · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
6-1, 6-0
L
Brent Anderson
2026-04-30 · SS-LGT RED · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
7-6, 2-6, 0-1
L
2026-04-23 · SS-LGT RED · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
4-6, 2-6
W
2025-05-29 · SS-LGT RED · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
6-4, 6-2
L
2025-05-22 · SS-LGT RED · #1 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
6-7, 1-6
W
2025-05-09 · SS-LGT RED · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
6-3, 6-1
L
Michael Alexander / Michelle Foremanmixed
2025-05-04 · SS-H GREEN · #1 Doubles · 9.0 · with Grace Koza
doesn’t count toward your NTRP rating
5-7, 2-6
W
2025-04-24 · SS-LGT RED · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
6-3, 6-1
W
2025-04-13 · SS-H GREEN · #2 Doubles · 9.0 · with Grace Koza
doesn’t count toward your NTRP rating
7-5, 6-2
Teams3 teams · 2025–2026
SS-LGT RED
2026 USTA ADULT 18 & OVER - DEN · MEN 4.5 - 18 & OVER · 18+
2026
Over timerating by season, and how you rank
By level2 levels played
4.5
50%
4W–4L · 53.8% of games
9.0mixed
1W–1L
not enough matches yet

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.

Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.
Billie Jean King