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Heather Siersma

Royal Oak, MI
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
131 matches · 45W–86L · seasons 20192026

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Match history131 matches
L
2026-07-14 · DCD- Siersma 18s 4.0 NW F1 · #1 Doubles · 4.0 · with Riya Cao
expectation pending — we’re still fetching an opponent’s record
6-4, 1-6, 0-1
L
2026-07-07 · DCD- Siersma 18s 4.0 NW F1 · #2 Doubles · 4.0 · with Carter Drewry
expectation pending — we’re still fetching an opponent’s record
7-5, 1-6, 0-1
W
Leslie Schneemann / Susan Scott
2026-06-23 · DCD- Siersma 18s 4.0 NW F1 · #2 Doubles · 4.0 · with Nadia Alchy
expectation pending — we’re still fetching an opponent’s record
7-6, 6-4
L
2026-06-13 · DCD- Siersma 18s 4.0 NW F1 · #2 Doubles · 4.0 · with Hillary Morris
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
L
2026-05-30 · DCD- Siersma 18s 4.0 NW F1 · #2 Doubles · 4.0 · with Hillary Morris
expectation pending — we’re still fetching an opponent’s record
2-6, 6-2, 0-1
W
2026-02-28 · #1 Doubles · 8.0 · with MacIej Pietrowicz
doesn’t count toward your NTRP rating
6-2, 6-2
L
2025-12-14 · 3BEV- Besecke 75 WOMEN COMBO F2 · #2 Doubles · 7.5 · with Meredith Flynn
doesn’t count toward your NTRP rating
1-6, 2-6
W
2025-11-08 · 3BEV- Besecke 75 WOMEN COMBO F2 · #2 Doubles · 7.5 · with Hillary Morris
doesn’t count toward your NTRP rating
6-3, 7-6
L
Chelsea Passmore / Allison Huber
2025-11-02 · 3BEV- Besecke 75 WOMEN COMBO F2 · #2 Doubles · 7.5 · with Laura Zapytowski
doesn’t count toward your NTRP rating
2-6, 3-6
L
2025-10-26 · 3BEV- Besecke 75 WOMEN COMBO F2 · #1 Doubles · 7.5 · with Hillary Morris
doesn’t count toward your NTRP rating
2-6, 3-6
L
2025-10-04 · 3BEV- Besecke 75 WOMEN COMBO F2 · #3 Doubles · 7.5 · with Meredith Flynn
doesn’t count toward your NTRP rating
4-6, 1-6
L
2025-07-09 · 1DCD-SIERSMA 40NW TU 18&O SEM F1 · #1 Doubles · 4.0 · with Rhiannon Laforest
expectation pending — we’re still fetching an opponent’s record
4-6, 2-6
Where you rank locallyagainst everyone at your level
Teams19 teams · 2022–2026
Over timerating by season, and how you rank
By level5 levels played
3.5
72.4%
21W–8L · 56.6% of games
4.0
17.4%
8W–38L · 40.7% of games
7.5
42.3%
11W–15L · 46.9% of games
7.0mixed
0W–3L
not enough matches yet
8.0mixed
11.8%
2W–15L · 33.6% of games

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

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.

What matters isn’t how well you play when you’re playing well. What matters is how well you play when you’re playing badly.
Martina Navratilova