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Miwako Kobayashi

Beaverton, OR
3.0C year-end 2025
42 matches · 25W–17L · seasons 20232026
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.

2.87
estimated dynamic rating
Where the rating sits now, on 9 matches this season · USTA never publishes this number
0%
down to 2.5
95%
stay 3.0
5%
up to 3.5
Projected to December: 0% down · 99% stay · 1% up, from a year-end estimate of 2.82. Lower than today’s 2.87 because form regresses — players this far into 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 upper half 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
Beaverton · 3.0
17 of 47
OR · 3.0
257 of 600

Miwako 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

Miwako has been a steady 3.0 across all 4 seasons on record.

2.53.02023202420252026

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 3.0, Miwako has gone from the 62nd to the 32nd 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 level2 levels played
3.0
64%
16W–9L · 55.2% of games
6.0
44.4%
4W–5L · 52.9% of games

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

Match history42 matches
L
Thao Nguyen / Jean Kastner
2026-03-15 · #1 Doubles · 3.0 · with Kerry Forsell
0.011below expectation — took 37% of games against 44% expected
6-3, 6-4
W
2026-03-07 · #1 Doubles · 3.0 · with Cynthia Ross-Brockett
+0.001about as expected — took 50% of games against 51% expected
7-6, 4-6, 1-0
W
2026-02-22 · #1 Doubles · 3.0 · with Kerry Forsell
+0.034better than expected — took 60% of games against 45% expected
6-4, 6-4
L
2026-02-01 · #1 Doubles · 3.0 · with Kerry Forsell
0.022below expectation — took 14% of games against 34% expected
6-1, 6-1
W
Sidney Clarke / Robyn Hartmeyer
2026-01-10 · #1 Doubles · 3.0 · with Cynthia Ross-Brockett
+0.009better than expected — took 71% of games against 62% expected
6-3, 6-2
L
2025-10-26 · #1 Doubles · 6.0 · with Nicole Norby
0.003about as expected — took 43% of games against 45% expected
6-2, 5-7, 1-0
L
2025-10-19 · #1 Doubles · 6.0 · with Yu Zhang
0.046below expectation — took 29% of games against 53% expected
6-2, 6-3
L
2025-10-05 · #2 Doubles · 6.0 · with Shuping Li
0.006about as expected — took 41% of games against 45% expected
6-4, 7-5
W
2025-09-05 · #3 Doubles · 6.0 · with Laura Rich
+0.007better than expected — took 80% of games against 68% expected
6-1, 6-2
L
2025-05-30 · #1 Doubles · 3.0 · with Erin Doucet
0.022below expectation — took 25% of games against 40% expected
6-2, 6-2
L
2025-04-27 · #1 Doubles · 3.0 · with Kerry Forsell
0.026below expectation — took 33% of games against 47% expected
6-2, 6-4
L
2025-02-23 · #1 Doubles · 3.0 · with Suki Birge
0.015below expectation — took 41% of games against 48% expected
6-4, 7-5
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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.