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Sonia Sierra

— year-end
19 matches · 2W–17L · seasons 2022–2026

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Match history19 matches
W
2026-09-12 · CTH - International · #3 Doubles · 6.0 · with Luis Pedro Toledo mixed
doesn’t count toward your NTRP rating
6-3, 7-5
W
2026-09-04 · CTH - International · #3 Doubles · 6.0 · with Emmanuel Ruiz Jimenez mixed
doesn’t count toward your NTRP rating
2-6, 7-6, 1-0
L
2026-08-14 · CTH - International · #3 Doubles · 6.0 · with Rodrigo Zavala mixed
doesn’t count toward your NTRP rating
6-7, 5-7
L
2026-04-11 · San Francisco - Marielsa Arthur · #3 Doubles · 3.5 · with Marianela Sorasio
expectation pending — we’re still fetching an opponent’s record
3-6, 2-6
L
2026-02-26 · San Francisco - Marielsa Arthur · #1 Doubles · 3.5 · with Marielsa Arthur
expectation pending — we’re still fetching an opponent’s record
0-6, 4-6
L
2026-02-10 · San Francisco - Marielsa Arthur · #2 Doubles · 3.5 · with SAMIA OSSIO
expectation pending — we’re still fetching an opponent’s record
2-6, 3-6
L
2025-03-30 · San Francisco Marielsa · #2 Doubles · 3.5 · with Marianela Sorasio
expectation pending — we’re still fetching an opponent’s record
4-6, 0-6
L
2025-03-01 · San Francisco Marielsa · #1 Doubles · 3.5 · with Marianela Sorasio
expectation pending — we’re still fetching an opponent’s record
6-4, 3-6, 0-1
L
2024-04-06 · Adult 40 & Over 2024- San Francisco Marielsa · #3 Doubles · 3.5 · with Olga Rivero
expectation pending — we’re still fetching an opponent’s record
6-7, 3-6
L
2024-02-10 · Adult 40 & Over 2024- San Francisco Marielsa · #1 Doubles · 3.5 · with Olga Rivero
expectation pending — we’re still fetching an opponent’s record
2-6, 0-6
L
2024-02-04 · Adult 40 & Over 2024- San Francisco Marielsa · #1 Doubles · 3.5 · with Marielsa Arthur
expectation pending — we’re still fetching an opponent’s record
3-6, 1-6
L
2023-04-01 · 2023 40&Over - San Francisco Marielsa · #3 Doubles · 3.5 · with Olga Rivero
expectation pending — we’re still fetching an opponent’s record
2-6, 0-6
Teams7 teams · 2020–2026
Over timerating by season, and how you rank
By level2 levels played
3.5
0%
0W–16L · 28% of games
6.0mixed
2W–1L
not enough matches yet

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #2 Doubles, 32% of the time
#2 Doubles
32%
6 matches
#3 Doubles
32%
6 matches
#1 Doubles
26%
5 matches
#4 Doubles
11%
2 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.
Arthur Ashe