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Heather Sundermann

Cedar Rapids, IA
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
32 matches · 16W–16L · seasons 2022–2026

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Match history32 matches
L
2026-07-14 · Rath · #2 Doubles · 2.5 · with Lori Caldwell
expectation pending — we’re still fetching an opponent’s record
6-4, 1-6, 0-1
L
2026-01-24 · Kosowski & Davis: Smithfield · #3 Doubles · 3.5 · with Kristi Whitham
expectation pending — we’re still fetching an opponent’s record
2-6, 7-5, 0-1
W
2025-09-27 · Kemmerer & Novak: Smithfield · #2 Doubles · 3.5 · with JENNIFER HEBERT
expectation pending — we’re still fetching an opponent’s record
6-0, 6-1
W
2025-04-05 · IAWC/Kemmerer/Novak/18&Over3.5W · #3 Doubles · 3.5 · with Jennifer Kemmerer
expectation pending — we’re still fetching an opponent’s record
6-0, 4-6, 1-0
W
2025-03-02 · Ross · #2 Doubles · 7.0 · with Ryan Sundermann mixed
doesn’t count toward your NTRP rating
6-2, 7-5
L
2025-02-08 · IAWC/Kemmerer/Novak/18&Over3.5W · #1 Doubles · 3.5 · with Janalee Kosowski
expectation pending — we’re still fetching an opponent’s record
2-6, 0-6
L
2025-02-02 · Ross · #2 Doubles · 7.0 · with Thomas Ross mixed
doesn’t count toward your NTRP rating
5-7, 1-6
W
2025-01-26 · Ross · #1 Doubles · 7.0 · with Ryan Sundermann mixed
doesn’t count toward your NTRP rating
6-4, 7-6
L
2024-11-02 · Kemmerer & Novak: Smithfield · #1 Doubles · 3.5 · with Kelly Loeffelholz
expectation pending — we’re still fetching an opponent’s record
1-6, 3-6
L
2024-10-19 · Kemmerer & Novak: Smithfield · #1 Doubles · 3.5 · with Stephanie Mehmen
expectation pending — we’re still fetching an opponent’s record
4-6, 7-6, 1-0
L
2024-10-12 · Kemmerer & Novak: Smithfield · #1 Doubles · 3.5 · with Stephanie Mehmen
expectation pending — we’re still fetching an opponent’s record
1-6, 5-7
L
2024-09-15 · Rath · #3 Doubles · 8.0 · with Mike Strydom mixed
doesn’t count toward your NTRP rating
6-7, 2-6
Where you rank locallyagainst everyone at your level
Teams39 teams · 2020–2026
Over timerating by season, and how you rank
By level6 levels played
2.5
0W–1L
not enough matches yet
3.0
1W–0L
not enough matches yet
3.5
28.6%
2W–5L · 45.2% of games
4.0
28.6%
2W–5L · 37.8% of games
7.0mixed
85.7%
6W–1L · 54.6% of games
8.0mixed
55.6%
5W–4L · 47.9% of games

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

By lineusually #2 Doubles, 38% of the time
#2 Doubles
38%
12 matches
#3 Doubles
28%
9 matches
#1 Doubles
22%
7 matches
#2 Singles
13%
4 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.

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