Karen Duffy
16 matches · 8W–8L · seasons 2024–2026
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Match history16 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
4-6, 7-5, 0-1
W
expectation pending — we’re still fetching an opponent’s record
6-3, 4-6, 1-0
L
expectation pending — we’re still fetching an opponent’s record
4-6, 6-2, 0-1
L
expectation pending — we’re still fetching an opponent’s record
3-6, 0-6
W
expectation pending — we’re still fetching an opponent’s record
6-3, 6-1
L
expectation pending — we’re still fetching an opponent’s record
1-6, 3-6
W
expectation pending — we’re still fetching an opponent’s record
6-2, 4-6, 1-0
W
expectation pending — we’re still fetching an opponent’s record
6-1, 6-0
Teams13 teams · 2021–2026
Over timerating by season, and how you rank
By level1 levels played
4.0
50%
8W–8L · 51.4% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #2 Doubles, 63% of the time
#2 Doubles
63%
10 matches
#1 Doubles
19%
3 matches
#3 Doubles
13%
2 matches
#4 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.
What matters isn’t how well you play when you’re playing well. What matters is how well you play when you’re playing badly.