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Mayumi Willgerodt

Seattle, WA
3.0C year-end 2025
191 matches · 102W–89L · seasons 2021–2026
Bump probability
2.53.03.5lowhigh

Where this rating stands today. Taller means more likely. The dashed lines are the band edges, and the three shaded areas are the three percentages below.

3.02
estimated dynamic rating
Where the rating sits now, on 34 matches this season · USTA never publishes this number
0%
down to 2.5
38%
stay 3.0
62%
up to 3.5
Projected to December: 0% down · 79% stay · 21% up, from a year-end estimate of 2.94. Lower than today’s 3.02 because form regresses — players this far above their band partway through a season have historically finished nearer the middle of it. Keep playing at this level and the numbers above are the ones that hold.

A 3.0 runs from 2.51 to 3.00. This rating sits in the top of the band, and every match moves it.

Our estimate, not a USTA figure — scale measured at this point of 2023 on 2160 players. Graded publicly in December when USTA publishes year-end ratings. It moves when you play, and occasionally when we improve the model.

Where you rank
Seattle · 3.0
50 of 144
WA · 3.0
206 of 755

Mayumi is ranked among players at the same level in the same place, by our estimated dynamic rating — not the published level, which is the same for everyone in the band. Groups smaller than five are not ranked, because a placing out of two is noise dressed as standing.

Over timerating by season, and how you rank
Rating by season

Mayumi has played at 2.5, 3.0 across 6 seasons — 1 move up and 0 down.

2.02.53.0202120222023202420252026

The line is our estimate; the horizontal lines are level boundaries, so crossing one is a bump. Hollow points are years we inferred from the level played the following season, because USTA publishes a current rating but no history.

How you rank at your level
At 6.0, Mayumi has gone from the 12th to the 85th percentile of players at that level, 2024 to 2026.

Percentile compares the same level in the same season, by share of games won. Mixed is shown for context — USTA rules exclude it from your adult rating unless mixed is all you play.

By level5 levels played
2.5
66%
31W–16L · 56.3% of games
3.0
51.8%
43W–40L · 51.1% of games
3.5
0W–3L
not enough matches yet
6.0
60%
12W–8L · 50.3% of games
6.0mixed
41.7%
15W–21L · 49.3% of games

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

Match history191 matches
W
Meredith Helmick / Kristin Bedard
2026-07-28 · #1 Doubles · 3.0 · with Lynne Nowicki
−0.009better than expected — took 80% of games against 73% expected
6-2, 6-1
W
Tammy Besel / David Gartenbergmixed
2026-07-26 · #3 Doubles · 6.0 · with Mark Lewin
+0.000better than expected — took 86% of games against 57% expected
6-1, 6-1
L
Nikki Wildfang / Mehdi Boujradamixed
2026-07-25 · #3 Doubles · 6.0 · with Sachin Chouksey
+0.000below expectation — took 37% of games against 51% expected
6-4, 6-3
W
Aniki Olson / Amy Bryant
2026-07-22 · #1 Doubles · 3.0 · with Lynne Nowicki
−0.005about as expected — took 60% of games against 60% expected
2-6, 6-0, 1-0
W
Mary Dwyer / Mark Eshommixed
2026-07-18 · #3 Doubles · 6.0 · with Keith Jerome
+0.000below expectation — took 55% of games against 61% expected
6-3, 5-7, 1-0
W
Patty Peterson
2026-06-24 · #1 Singles · 3.0
−0.017below expectation — took 57% of games against 62% expected
6-7, 6-3, 1-0
W
2026-06-20 · #3 Doubles · 6.0 · with Matthew Aalfs
+0.000better than expected — took 80% of games against 62% expected
6-0, 6-3
W
Annabella Chiocco / Cira Chiocco
2026-06-14 · #1 Doubles · 3.0 · with Molly Adrian
+0.054better than expected — took 92% of games against 60% expected
6-1, 6-0
L
2026-06-14 · #2 Doubles · 6.0 · with Steve Suzuki
+0.000below expectation — took 25% of games against 60% expected
6-2, 6-2
L
Jessica Le
2026-06-06 · #2 Singles · 3.0
−0.034below expectation — took 53% of games against 63% expected
1-6, 6-3, 1-0
W
Emily Goe
2026-05-30 · #2 Singles · 3.0
+0.039better than expected — took 92% of games against 65% expected
6-1, 6-0
W
2026-05-23 · #3 Doubles · 3.0 · with Seiko Kobayashi
+0.042better than expected — took 75% of games against 52% expected
6-2, 6-2
What an account addsprivate to you

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Not affiliated with or endorsed by the USTA. Rating shown is the published USTA year-end figure; match data is from USTA TennisLink.