Sonia Sierra
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San Juan, PR
22 matches · 3W–19L · seasons 2019–2026
Match history22 matches
Where you rank locallyagainst everyone at your level
Teams8 teams · 2019–2026
Over timerating by season, and how you rank
By level2 levels played
3.5
5.6%
1W–17L · 29.6% of games
6.0mixed
50%
2W–2L · 46.5% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #3 Doubles, 32% of the time
#3 Doubles
32%
7 matches
#1 Doubles
27%
6 matches
#2 Doubles
27%
6 matches
#4 Doubles
14%
3 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.
Start where you are. Use what you have. Do what you can.