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Carol Chiu

Brush Prairie, WA
4.0C year-end 2025
160 matches · 87W–73L · seasons 20192026
Bump probability
3.54.04.5lowhigh

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.

3.61
estimated dynamic rating
Where the rating sits now, on 17 matches this season · USTA never publishes this number
9%
down to 3.5
91%
stay 4.0
0%
up to 4.5
Projected to December: 6% down · 94% stay · 0% up, from a year-end estimate of 3.62. Higher than today’s 3.61 because players this far below their band have historically finished nearer the middle of it.

A 4.0 runs from 3.51 to 4.00. This rating sits in the lower 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
Brush Prairie · 4.0
3 of 5
WA · 4.0
545 of 782

Carol 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.

Teams84 teams · 2005–2026
Over timerating by season, and how you rank
Rating by season

Carol has been 4.0 for all 8 seasons on record, but moved a long way inside it — from the bottom of the band to the middle.

3.54.020192020202120222023202420252026

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 8.0, Carol has gone from the 81st to the 51st percentile of players at that level, 2022 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
4.0
54.5%
24W–20L · 52.5% of games
8.0
64.3%
27W–15L · 55.8% of games
9.0
1W–1L
not enough matches yet
8.0mixed
51.9%
28W–26L · 52.3% of games
9.0mixed
0W–2L
not enough matches yet

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

Match history160 matches
L
2026-07-19 · VTC-Chiu · #3 Doubles · 8.0 · with Nick Redwood
+0.000below expectation — took 38% of games against 55% expected
6-3, 7-5
W
2026-06-28 · VTC-Chiu · #3 Doubles · 8.0 · with Nick Redwood
+0.000better than expected — took 57% of games against 50% expected
6-4, 7-6
L
2026-05-17 · VTC-Chiu · #2 Doubles · 8.0 · with Todd Kuribayashi
+0.000below expectation — took 29% of games against 52% expected
6-3, 6-2
L
2026-05-05 · CAC-Birkhofer · #2 Doubles · 8.0 · with Kathleen Goodfriend
0.043below expectation — took 41% of games against 60% expected
3-6, 6-1, 1-0
L
2026-04-30 · CAC-Birkhofer · #3 Doubles · 8.0 · with Kathleen Goodfriend
0.002about as expected — took 43% of games against 45% expected
6-4, 7-6
W
2026-04-26 · VTC-Chiu · #3 Doubles · 8.0 · with Todd Kuribayashi
+0.000below expectation — took 60% of games against 69% expected
6-4, 6-4
W
2026-04-23 · CAC-Birkhofer · #3 Doubles · 8.0 · with Liz DelPlato
0.013about as expected — took 75% of games against 71% expected
6-0, 6-4
L
Hector M Salomon / Babette Zielinskimixed
2026-03-29 · VTC-Chiu · #3 Doubles · 8.0 · with Todd Kuribayashi
+0.000below expectation — took 50% of games against 57% expected
5-7, 7-6, 1-0
W
2026-03-27 · CAC-Birkhofer · #3 Doubles · 8.0 · with Tami Oglesby
+0.049better than expected — took 65% of games against 42% expected
6-1, 7-6
L
2026-03-21 · CAC-Delplato · #3 Doubles · 4.0 · with Cori Wilson
0.011about as expected — took 50% of games against 54% expected
3-6, 7-5, 1-0
W
2026-03-13 · CAC-Birkhofer · #2 Doubles · 8.0 · with Kathleen Goodfriend
+0.012better than expected — took 80% of games against 66% expected
6-2, 6-1
L
2026-02-20 · CAC-Delplato · #1 Doubles · 4.0 · with Katherine Kralj
0.003about as expected — took 45% of games against 47% expected
5-7, 6-3, 1-0
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.