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Mary Ann Koula

— year-end
129 matches · 75W–54L · seasons 2019–2026

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Match history129 matches
W
2026-05-28 · ESTA Sheraton Vistana-Merrill · #1 Doubles · 3.5 · with Penny Watzka
expectation pending — we’re still fetching an opponent’s record
6-3, 6-3
L
2026-05-03 · #3 Doubles · with Penny Watzka championship
expectation pending — we’re still fetching an opponent’s record
6-2, 2-6, 0-1
W
2026-05-02 · #3 Doubles · with Carolynn Gilbert championship
expectation pending — we’re still fetching an opponent’s record
6-4, 6-3
L
2026-05-01 · ESTA Sheraton Vistana-Merrill · #2 Doubles · 3.5 · with Amy Merrill
expectation pending — we’re still fetching an opponent’s record
1-6, 1-6
L
2026-04-03 · ESTA Sheraton Vistana-Merrill · #3 Doubles · 3.5 · with Carolynn Gilbert
expectation pending — we’re still fetching an opponent’s record
4-6, 3-6
W
2026-03-09 · Florida/Koula/55&Over7.0W · #2 Doubles · 7.0 · with Hazel Cooke
expectation pending — we’re still fetching an opponent’s record
6-1, 6-2
L
2026-02-14 · Florida/Koula/55&Over7.0W · #1 Doubles · 7.0 · with Jamie Roedig
expectation pending — we’re still fetching an opponent’s record
5-7, 3-6
W
2026-02-08 · Florida/Koula/55&Over7.0W · #1 Doubles · 7.0 · with Kim DeZavala
expectation pending — we’re still fetching an opponent’s record
6-4, 6-4
W
Marcia Rosman / Elaine Clark
2025-11-07 · Lake Cane-Merrill · #2 Doubles · 7.5 · with Terri Haddock
expectation pending — we’re still fetching an opponent’s record
6-2, 6-3
W
2025-10-26 · Lake Cane-Koula-Serve & Protect · #2 Doubles · 7.0 · with Penny Watzka
expectation pending — we’re still fetching an opponent’s record
6-3, 6-3
L
2025-10-24 · Lake Cane-Merrill · #1 Doubles · 7.5 · with Grace Stewart
expectation pending — we’re still fetching an opponent’s record
2-6, 1-6
W
2025-10-05 · Lake Cane-Koula-Serve & Protect · #3 Doubles · 7.0 · with Penny Watzka
expectation pending — we’re still fetching an opponent’s record
6-1, 6-0
Teams32 teams · 2020–2026
Over timerating by season, and how you rank
By level8 levels played
0.0
0W–2L
not enough matches yet
3.5
65%
26W–14L · 57.4% of games
4.0
15%
3W–17L · 41.7% of games
7.0
85.7%
12W–2L · 66.5% of games
7.5
52.6%
10W–9L · 49.3% of games
8.0
0W–2L
not enough matches yet
9.0
0W–3L
not enough matches yet
7.0mixed
0W–1L
not enough matches yet

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

By lineusually #3 Doubles, 39% of the time
#3 Doubles
39%
50 matches
#1 Doubles
30%
38 matches
#2 Doubles
30%
38 matches
#4 Doubles
2%
2 matches
#2 Singles
1%
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.

The mark of great sportsmen is not how good they are at their best, but how good they are at their worst.
Martina Navratilova