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Heather Duncan

Tulsa, OK
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
275 matches · 150W–125L · seasons 2019–2027

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Match history275 matches
L
2026-09-09 · Collins/LF/Day 4.0W · #2 Singles · 4.0
expectation pending — we’re still fetching an opponent’s record
3-6, 0-6
L
2026-09-08 · Schruncan/TTC/Day3.5W · #1 Doubles · 3.5 · with TJ Warren
expectation pending — we’re still fetching an opponent’s record
3-6, 6-4, 1-0
L
2026-08-31 · Schroedter/TTC/tri 4.0 W · #1 Doubles · 3.0 · with Stephanie Patterson
expectation pending — we’re still fetching an opponent’s record
4-6, 4-6
L
2026-08-28 · Schroedter/TTC/tri 4.0 W DAY · #1 Doubles · 3.0 · with Alex Campbell
expectation pending — we’re still fetching an opponent’s record
1-6, 4-6
L
2026-08-12 · Schroedter/TTC/tri 4.0 W DAY · #1 Doubles · 3.0 · with Lucia Carballo Oberle
expectation pending — we’re still fetching an opponent’s record
2-6, 3-6
L
2026-08-07 · Schroedter/TTC/tri 4.0 W DAY · #1 Doubles · 3.0 · with TJ Warren
expectation pending — we’re still fetching an opponent’s record
6-2, 6-7, 0-1
W
2026-08-05 · Haack/LF/4.5 tri W · #3 Doubles · 2.5 · with TJ Warren
expectation pending — we’re still fetching an opponent’s record
6-3, 6-1
L
2026-07-30 · Haack/LF/4.5 tri W · #3 Doubles · 2.5 · with Emilee Irby
expectation pending — we’re still fetching an opponent’s record
2-6, 4-6
L
2026-07-29 · Schroedter/TTC/tri 4.0 W DAY · #1 Doubles · 3.0 · with Alex Campbell
expectation pending — we’re still fetching an opponent’s record
1-6, 5-7
W
2026-07-29 · Tjeerdsma/LF 3.5 tri W · #1 Doubles · 2.5 · with Mary Nesser
expectation pending — we’re still fetching an opponent’s record
4-6, 6-2, 1-0
L
2026-07-21 · Schroedter/TTC/tri 4.0 W · #1 Doubles · 3.0 · with Stephanie Patterson
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
L
2026-07-10 · Celestain 18s 7.0X/LF · #1 Doubles · 7.0 · with Edward Obana mixed
doesn’t count toward your NTRP rating
1-6, 3-6
Where you rank locallyagainst everyone at your level
Teams67 teams · 2020–2027
Over timerating by season, and how you rank
By level8 levels played
2.5
58.5%
24W–17L · 52.6% of games
3.0
64.9%
50W–27L · 56.6% of games
3.5
55.8%
48W–38L · 53.2% of games
4.0
31%
9W–20L · 41.5% of games
5.0mixed
2W–1L
not enough matches yet
5.5mixed
1W–0L
not enough matches yet
6.0mixed
57.9%
11W–8L · 50.7% of games
7.0mixed
26.3%
5W–14L · 37.8% of games

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

By lineusually #1 Doubles, 43% of the time
#1 Doubles
43%
117 matches
#2 Doubles
18%
50 matches
#3 Doubles
18%
48 matches
#1 Singles
15%
42 matches
#2 Singles
6%
17 matches
#4 Doubles
0%
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.

Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.
Billie Jean King