JoAnn Blackwell
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Costa Mesa, CA
20 matches · 6W–14L · seasons 2018–2024
Match history20 matches
Teams5 teams · 2019–2025
Over timerating by season, and how you rank
By level1 level played
4.0
30%
6W–14L · 37.5% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 35% of the time
#1 Doubles
35%
7 matches
#1 Singles
30%
6 matches
#2 Singles
15%
3 matches
#3 Doubles
15%
3 matches
#2 Doubles
5%
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.
Every match is a story with a beginning, a middle and an end, and you are writing it as you go.