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Erin Mazurek Stone

Clarkston, MI
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
38 matches · 16W–22L · seasons 2023–2026

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Match history38 matches
L
2026-07-14 · DEER-Joseph 18s 4.0 NW F1 · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
4-6, 4-6
L
2026-06-25 · DEER-Carlson 40s 4.0 NW F2 · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
1-6, 5-7
L
2026-06-16 · DEER-Joseph 18s 4.0 NW F1 · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
5-7, 1-6
L
2026-06-10 · DEER-Joseph 18s 4.0 NW F1 · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
1-6, 4-6
L
2026-06-04 · DEER-Carlson 40s 4.0 NW F2 · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
1-6, 2-6
W
2026-05-30 · DEER-Joseph 18s 4.0 NW F1 · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
7-6, 6-4
W
2026-05-21 · DEER-Carlson 40s 4.0 NW F2 · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
6-2, 6-2
W
2026-05-14 · DEER-Carlson 40s 4.0 NW F2 · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
6-3, 3-6, 1-0
L
2026-05-12 · DEER-Joseph 18s 4.0 NW F1 · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
6-3, 6-7, 0-1
L
2025-07-10 · 3DEER-CARLSON 40NW TH 40&O SEM F3 · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
7-6, 0-6, 0-1
L
2025-07-09 · 6DEER-JOSEPH 40DW WE 40&O SEM · #1 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
2-6, 1-6
L
2025-06-12 · 3DEER-CARLSON 40NW TH 40&O SEM F3 · #4 Doubles · 4.0 · with Susan Joseph
expectation pending — we’re still fetching an opponent’s record
0-6, 2-6
Where you rank locallyagainst everyone at your level
Teams14 teams · 2021–2026
Over timerating by season, and how you rank
By level1 levels played
4.0
42.1%
16W–22L · 45.1% of games

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

By lineusually #1 Singles, 47% of the time
#1 Singles
47%
18 matches
#2 Singles
29%
11 matches
#3 Singles
11%
4 matches
#3 Doubles
5%
2 matches
#4 Doubles
5%
2 matches
#2 Doubles
3%
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.

I really think a champion is defined not by their wins but by how they can recover when they fall.
Serena Williams