Karen Ziff
Ashburn, VA
302 matches · 132W–170L · seasons 2019–2026
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Match history302 matches
L
expectation pending — we’re still fetching an opponent’s record
1-6, 4-6
L
expectation pending — we’re still fetching an opponent’s record
2-6, 6-7
L
expectation pending — we’re still fetching an opponent’s record
5-7, 1-1
L
expectation pending — we’re still fetching an opponent’s record
5-7, 3-5
L
expectation pending — we’re still fetching an opponent’s record
5-7, 4-6
W
Suzanne McMullen / Karen Sullivan
expectation pending — we’re still fetching an opponent’s record
7-6, 3-2
L
expectation pending — we’re still fetching an opponent’s record
3-6, 3-6
L
expectation pending — we’re still fetching an opponent’s record
4-6, 4-6
Where you rank locallyagainst everyone at your level
Teams75 teams · 2020–2026
Over timerating by season, and how you rank
By level8 levels played
3.0
52.8%
47W–42L · 51.8% of games
3.5
35.1%
53W–98L · 44.5% of games
5.5
2W–1L
not enough matches yet
6.5
47.4%
9W–10L · 48.3% of games
7.0
31.2%
5W–11L · 40.4% of games
7.5
1W–2L
not enough matches yet
6.5mixed
100%
5W–0L · 57.3% 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%
117 matches
#2 Doubles
25%
76 matches
#3 Doubles
14%
42 matches
#1 Singles
11%
33 matches
#2 Singles
8%
25 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.