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Theresa Danforth Costello

— year-end
215 matches · 101W–114L · seasons 2019–2026

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Match history215 matches
W
2026-08-30 · Muller, Sonya · #2 Doubles · 2.5 · with Mariko Johnson
expectation pending — we’re still fetching an opponent’s record
1-6, 6-4, 1-0
W
2026-08-16 · Muller, Sonya · #2 Doubles · 2.5 · with Mariko Johnson
expectation pending — we’re still fetching an opponent’s record
6-4, 3-6, 1-0
W
2026-07-12 · Muller, Sonya · #2 Doubles · 2.5 · with Mariko Johnson
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
W
2026-06-21 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Mariko Johnson
expectation pending — we’re still fetching an opponent’s record
6-3, 6-3
W
2026-06-14 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Mariko Johnson
expectation pending — we’re still fetching an opponent’s record
3-6, 6-1, 1-0
W
Delane Cohen / Anne Miller
2026-06-07 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Mariko Johnson
expectation pending — we’re still fetching an opponent’s record
6-4, 5-7, 1-0
W
2026-05-31 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Mariko Johnson
expectation pending — we’re still fetching an opponent’s record
6-1, 6-1
L
2026-05-09 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Susan Murphy
expectation pending — we’re still fetching an opponent’s record
4-6, 6-7
W
2026-04-26 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Susan Murphy
expectation pending — we’re still fetching an opponent’s record
6-4, 6-0
W
2026-04-25 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Andrea Root
expectation pending — we’re still fetching an opponent’s record
6-1, 4-6, 1-0
W
2026-04-12 · HOA/Asbell/55&over7.0W · #1 Doubles · 7.0 · with Susan Murphy
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
L
2026-02-01 · Nelson, Cydney · #1 Doubles · 3.5 · with Susie Morris
expectation pending — we’re still fetching an opponent’s record
6-7, 3-5
Teams43 teams · 2020–2026
Over timerating by season, and how you rank
By level7 levels played
2.5
3W–0L
not enough matches yet
3.0
20%
2W–8L · 38.4% of games
3.5
60.6%
43W–28L · 57.9% of games
4.0
27.8%
20W–52L · 40.7% of games
7.0
82.4%
14W–3L · 61.6% of games
7.0mixed
8.3%
1W–11L · 31.5% of games
8.0mixed
56%
14W–11L · 50.7% of games

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

By lineusually #1 Doubles, 29% of the time
#1 Doubles
29%
62 matches
#3 Doubles
28%
60 matches
#2 Doubles
23%
50 matches
#1 Singles
18%
38 matches
#2 Singles
2%
5 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.

You can get through anything if you keep going one point at a time.
Arthur Ashe