Karen Ziff
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Ashburn, VA
341 matches · 147W–194L · seasons 2018–2026
Match history341 matches
Where you rank locallyagainst everyone at your level
Teams89 teams · 2019–2026
Over timerating by season, and how you rank
By level8 levels played
3.0
47.9%
58W–63L · 49.8% of games
3.5
34.8%
55W–103L · 44.3% of games
5.5
2W–1L
not enough matches yet
6.5
54.5%
12W–10L · 50.4% of games
7.0
31.2%
5W–11L · 40.4% of games
7.5
1W–2L
not enough matches yet
6.5mixed
77.8%
7W–2L · 52.7% of games
7.0mixed
66.7%
4W–2L · 67% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 39% of the time
#1 Doubles
39%
133 matches
#2 Doubles
24%
82 matches
#3 Doubles
14%
48 matches
#1 Singles
11%
37 matches
#2 Singles
9%
29 matches
#3 Singles
3%
9 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.
Success is a journey, not a destination. The doing is often more important than the outcome.