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Allison Ko

Portland, OR
3.5C year-end 2025
48 matches · 35W–13L · seasons 2024–2026
Bump probability
3.03.54.0lowhigh

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.

3.45
estimated dynamic rating
Where the rating sits now, on 16 matches this season · USTA never publishes this number
0%
down to 3.0
74%
stay 3.5
26%
up to 4.0
Projected to December: 0% down · 94% stay · 6% up, from a year-end estimate of 3.38. Lower than today’s 3.45 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 3.5 runs from 3.01 to 3.50. 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
Portland · 3.5
49 of 399
OR · 3.5
112 of 735

Allison 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

Allison has been 3.5 for all 3 seasons on record, but moved a long way inside it — from the middle of the band to the top.

3.03.5202420252026

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

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
3.5
93.8%
15W–1L · 64.5% of games
4.0
0W–3L
not enough matches yet
7.0
50%
3W–3L · 46.2% of games
8.0
2W–0L
not enough matches yet
7.0mixed
100%
9W–0L · 60.7% of games

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

Match history48 matches
W
2026-07-21 · #1 Doubles · 3.5 · with Ginny Nguyen
−0.018below expectation — took 50% of games against 58% expected
7-6, 5-7, 1-0
L
2026-06-19 · #1 Singles
+0.006better than expected — took 56% of games against 50% expected
6-4, 1-6, 1-0
L
2026-05-31 · #1 Singles · 4.0
+0.010about as expected — took 29% of games against 32% expected
6-3, 6-2
W
2026-05-30 · #1 Singles · 3.5
−0.005about as expected — took 50% of games against 53% expected
2-6, 6-3, 1-0
L
2026-05-24 · #3 Doubles · 4.0 · with Ginny Nguyen
+0.014better than expected — took 46% of games against 40% expected
7-5, 6-7, 1-0
W
2026-05-23 · #1 Doubles · 3.5 · with Ginny Nguyen
+0.033better than expected — took 63% of games against 47% expected
6-3, 6-4
W
2026-05-03 · #2 Singles · 3.5
+0.007better than expected — took 86% of games against 71% expected
6-1, 6-1
L
2026-04-24 · #3 Doubles · 4.0 · with Michelle Vo
+0.003below expectation — took 20% of games against 29% expected
6-2, 6-1
L
Miki Han / Austin Canochamps
2026-03-15 · #1 Mixed Doubles · with Atom Fjeldsted
−0.035below expectation — took 50% of games against 62% expected
3-3
W
Finn Chenevert / Faye Leverman
2026-03-01 · #1 Mixed Doubles · 8.0 · with Michael Mahaney
+0.037better than expected — took 86% of games against 62% expected
6-1
W
2026-02-08 · #2 Mixed Doubles · 8.0 · with Son Huynh
−0.069below expectation — took 55% of games against 78% expected
6-5
L
2026-01-25 · #1 Female Singles · 7.0
−0.008below expectation — took 25% of games against 35% expected
6-2
What an account addsprivate to you

Signing in lets you point an account at your own record and keep things alongside it: notes on individual matches, your racquet and string setup, restring reminders, friendly matches that never reach TennisLink, and a diary of what you changed and what happened after.

None of it is visible to anyone else. Not to other players, not on your public page, not in search. Every private table is scoped to your account at the database level, so it is enforced rather than promised. The public page you are looking at is built from USTA match results and nothing else.

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