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Carol Diggs

La Jolla, CA
4.0C year-end 2025
59 matches · 22W–37L · seasons 2022–2026
Bump probability
3.54.04.5lowhigh
Where this rating stands today. Taller means more likely.
i
The dashed lines are the edges of your band. The three shaded areas are exactly the three percentages below — area here is the chance of one outcome for you, not a count of players.
3.58
estimated dynamic rating
Where the rating sits now, on 15 matches this season · USTA never publishes this number
16%
down to 3.5
84%
stay 4.0
0%
up to 4.5
Projected to December: 10% down · 90% stay · 0% up, from a year-end estimate of 3.60. Higher than today’s 3.58 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 bottom of the band, and every match moves it.

Our estimate, not a USTA figure.
i
scale measured at this point of 2023 on 2160 players. It moves when you play, and occasionally when we improve the model. USTA publishes year-end ratings in December, which is when this gets graded against what actually happened.
Where you rank
CA · 4.0
222 of 259
By our estimated rating, not the published level.
i
Carol is ranked against players at the same level in the same place. The published level is identical for everyone in a band, so it cannot separate them — our estimate can. Groups smaller than five are not ranked at all, because a placing out of two is noise dressed as standing.
Over timerating by season, and how you rank
Rating by season

Carol has been 4.0 for all 5 seasons on record, but moved a long way inside it — from the bottom of the band to the middle.

3.54.020222023202420252026

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 4.0, Carol has gone from the 2nd to the 29th percentile of players at that level, 2023 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
4.0
25.8%
8W–23L · 44.2% of games
8.0
48%
12W–13L · 50.2% of games

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

Match history59 matches
L
Ashley Bull / ANGIE CRAWFORD
2026-08-02 · #1 Doubles · 4.0 · with Jennie Blacker
expectation pending — we're still fetching an opponent's record
6-2, 6-1
L
Mary Thomas / Karen Brown
2026-07-06 · #1 Doubles · 8.0 · with Nancy Backus
expectation pending — we're still fetching an opponent's record
4-6, 6-2, 1-0
L
Becky Yzaguirre / Lyn Balagtas
2026-07-05 · #1 Doubles · 4.0 · with Noelle Randall
−0.032below expectation — took 45% of games against 58% expected
4-6, 6-3, 1-0
W
Regina Phillips / Jill Webster
2026-07-01 · #2 Doubles · 8.0 · with Jennie Blacker
expectation pending — we're still fetching an opponent's record
5-7, 6-3, 1-0
L
TERESA FISHER / Mary Gaylord
2026-06-29 · #1 Doubles · 8.0 · with Kathy Hailey
expectation pending — we're still fetching an opponent's record
5-7, 6-3, 1-0
L
Brandy Baray / Guadalupe Garcia
2026-06-28 · #1 Doubles · 4.0 · with Rebecca Wood
expectation pending — we're still fetching an opponent's record
6-3, 6-2
L
ANGIE CRAWFORD / Melissa Kroeger
2026-06-24 · #1 Doubles · 8.0 · with Judy Rockland
expectation pending — we're still fetching an opponent's record
7-5, 6-4
L
2026-06-22 · #2 Doubles · 8.0 · with Becky Kuba
−0.001about as expected — took 50% of games against 50% expected
6-4, 3-6, 1-0
L
2026-06-21 · #1 Doubles · 4.0 · with Elizabeth Yu-Hansen
+0.028better than expected — took 41% of games against 33% expected
7-6, 6-3
L
MinhTam Flynn / Lisa Barthelemy
2026-06-17 · #3 Doubles · 8.0 · with Helen Beran
expectation pending — we're still fetching an opponent's record
6-4, 6-3
W
2026-06-15 · #2 Doubles · 8.0 · with Becky Kuba
+0.011about as expected — took 53% of games against 49% expected
3-6, 6-3, 1-0
W
Lynn Ryan / Victoria Wood
2026-06-08 · #1 Doubles · 8.0 · with Kathy Hailey
expectation pending — we're still fetching an opponent's record
4-6, 7-5, 1-0
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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.