← Search

Tammy Chu

Mercer Island, WA
3.0C year-end 2025
39 matches · 29W–10L · seasons 2024–2026
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.

3.24
estimated dynamic rating
Where the rating sits now, on 22 matches this season · USTA never publishes this number
0%
down to 2.5
0%
stay 3.0
100%
up to 3.5
Projected to December: 0% down · 12% stay · 88% up, from a year-end estimate of 3.10. Lower than today’s 3.24 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
Mercer Island · 3.0
1 of 40
WA · 3.0
21 of 1529

Tammy 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

Tammy has been a steady 3.0 across all 2 seasons on record.

2.53.020252026

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, Tammy has gone from the 46th to the 79th percentile of players at that level, 2025 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 level4 levels played
3.0
66.7%
14W–7L · 56.1% of games
3.5
60%
3W–2L · 48.9% of games
0.0mixed
80%
4W–1L · 53.2% of games
6.0mixed
100%
7W–0L · 65.6% of games

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

Match history39 matches
W
2026-07-31 · #1 Doubles · 3.0 · with Nita Khandelwal
+0.029better than expected — took 80% of games against 61% expected
6-1, 6-2
W
2026-07-30 · #1 Doubles · 3.0 · with Nita Khandelwal
−0.014below expectation — took 53% of games against 59% expected
2-6, 6-2, 1-0
L
2026-07-11 · #1 Doubles · 3.0 · with Nita Khandelwal
+0.031better than expected — took 41% of games against 32% expected
7-5, 6-4
W
2026-07-10 · #2 Doubles · 6.0 · with Mark Hoeke
+0.000better than expected — took 65% of games against 59% expected
6-0, 4-6, 1-0
L
2026-05-30 · #3 Doubles · 3.5 · with Nita Khandelwal
+0.008about as expected — took 33% of games against 35% expected
6-4, 6-2
W
Deanna Thompson / Jennifer Baum
2026-05-26 · #3 Doubles · 3.0 · with Nandita Parikh
expectation pending — we're still fetching an opponent's record
6-2, 6-0
W
2026-05-24 · #3 Doubles · 3.5 · with Nita Khandelwal
+0.059better than expected — took 52% of games against 33% expected
7-5, 4-6, 1-0
L
2026-05-22 · #1 Doubles · 3.0 · with Skylar Sherwood
−0.010about as expected — took 43% of games against 48% expected
6-4, 7-6
W
2026-05-19 · #1 Doubles · 3.0 · with Krista Nowakowski
−0.014about as expected — took 71% of games against 69% expected
6-3, 6-2
W
2026-05-08 · #3 Doubles · 3.5 · with Nita Khandelwal
+0.024better than expected — took 52% of games against 43% expected
7-5, 4-6, 1-0
W
2026-05-06 · #1 Doubles · 3.0 · with Skylar Sherwood
+0.002about as expected — took 62% of games against 59% expected
7-5, 6-3
L
2026-05-01 · #3 Doubles · 3.5 · with Kayla Evans
−0.080below expectation — took 25% of games against 62% expected
6-2, 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.