Karla Sperber
Renton, WA
213 matches · 134W–79L · seasons 2019–2026
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Match history213 matches
W
expectation pending — we’re still fetching an opponent’s record
6-2, 6-4
W
expectation pending — we’re still fetching an opponent’s record
6-3, 6-1
W
expectation pending — we’re still fetching an opponent’s record
6-4, 3-6, 1-0
L
expectation pending — we’re still fetching an opponent’s record
7-6, 5-7, 1-0
W
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
Where you rank locallyagainst everyone at your level
Teams39 teams · 2021–2027
Over timerating by season, and how you rank
By level7 levels played
3.5
72%
72W–28L · 56.7% of games
4.0
40%
16W–24L · 43.3% of games
6.0
2W–0L
not enough matches yet
7.0
1W–2L
not enough matches yet
6.0mixed
77.8%
7W–2L · 70.7% of games
7.0mixed
65%
26W–14L · 54.3% of games
8.0mixed
60%
6W–4L · 55.3% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 41% of the time
#1 Doubles
41%
87 matches
#2 Doubles
24%
51 matches
#3 Doubles
24%
51 matches
#2 Singles
7%
14 matches
#1 Singles
5%
10 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.
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.