Joseph Kowalczyk
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Columbia, MD
66 matches · 35W–31L · seasons 2021–2026
Match history66 matches
Where you rank locallyagainst everyone at your level
Teams24 teams · 2021–2026
Over timerating by season, and how you rank
By level7 levels played
3.0
73.3%
11W–4L · 61.4% of games
3.5
36.8%
7W–12L · 46.4% of games
4.0
1W–2L
not enough matches yet
6.0mixed
100%
4W–0L · 77.4% of games
6.5mixed
75%
3W–1L · 58.7% of games
7.0mixed
54.5%
6W–5L · 51.9% of games
8.0mixed
30%
3W–7L · 49.2% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #3 Doubles, 38% of the time
#3 Doubles
38%
25 matches
#2 Doubles
24%
16 matches
#1 Doubles
17%
11 matches
#2 Singles
14%
9 matches
#1 Singles
8%
5 matches
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.
Champions keep playing until they get it right.