Kerry Zwierzko
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Newton Center, MA
10 matches · 8W–2L · seasons 2025–2026
Match history10 matches
Where you rank locallyagainst everyone at your level
Teams3 teams · 2025–2026
Over timerating by season, and how you rank
By level2 levels played
3.5
100%
7W–0L · 72% of games
4.0
1W–2L
not enough matches yet
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 40% of the time
#1 Doubles
40%
4 matches
#2 Doubles
30%
3 matches
#3 Doubles
30%
3 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.
Start where you are. Use what you have. Do what you can.