John Koza
16 matches · 8W–8L · seasons 2025–2026
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Match history16 matches
W
expectation pending — we’re still fetching an opponent’s record
6-1, 6-4
W
N/A
doesn’t count toward your NTRP rating
6-0, 6-0
Teams3 teams · 2025–2026
Over timerating by season, and how you rank
By level2 levels played
4.5
50%
4W–4L · 53.8% of games
9.0mixed
2W–1L
not enough matches yet
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #2 Singles, 50% of the time
#2 Singles
50%
8 matches
#1 Singles
25%
4 matches
#1 Doubles
13%
2 matches
#2 Doubles
6%
1 match
#3 Doubles
6%
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.
Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.