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Jill Ostrom

La Jolla, CA
3.0C year-end 2025
38 matches · 25W–13L · seasons 2024–2026
Bump probability
2.53.03.5lowhigh
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.
3.27
estimated dynamic rating
Where the rating sits now, on 16 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 · 6% stay · 94% up, from a year-end estimate of 3.12. Lower than today’s 3.27 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.
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 · 3.0
12 of 143
By our estimated rating, not the published level.
i
Jill 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

Jill has been 3.0 for all 3 seasons on record, but moved a long way inside it — from the middle of the band to the top.

2.53.0202420252026

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, Jill has gone from the 69th to the 90th 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
67.7%
21W–10L · 56.7% of games
3.5
57.1%
4W–3L · 51.9% of games

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

Match history38 matches
W
Wenhua Baurer / Kim Sweeney
2026-07-22 · #2 Doubles · 3.5 · with Angela Landen
expectation pending — we're still fetching an opponent's record
6-1, 6-1
W
2026-07-14 · #2 Doubles · 3.5 · with May Salyards
−0.004about as expected — took 52% of games against 55% expected
6-4, 4-6, 1-0
W
Jane Rider / Deniz Ilkbasaran
2026-07-01 · #2 Doubles · 3.5 · with Miriam Mceachern
expectation pending — we're still fetching an opponent's record
5-7, 6-0, 1-0
W
Madeleine Norris / Hannah Greenwood
2026-05-31 · #1 Doubles · 3.0 · with Angela Landen
expectation pending — we're still fetching an opponent's record
7-5, 6-3
W
Elayne Berman / Andrea Evans
2026-05-27 · #1 Doubles · 3.0 · with Angela Landen
expectation pending — we're still fetching an opponent's record
4-6, 6-2, 1-0
W
2026-05-24 · #2 Doubles · 3.0 · with Angela Landen
−0.003about as expected — took 50% of games against 53% expected
1-6, 6-2, 1-0
W
Stacey Hijar / Corrine Lott
2026-05-10 · #2 Doubles · 3.0 · with Jeanne Cummings
expectation pending — we're still fetching an opponent's record
6-4, 6-1
W
Priya Huggett / Emily Guevara
2026-05-06 · #1 Doubles · 3.0 · with Cecile Ward
expectation pending — we're still fetching an opponent's record
6-2, 6-4
W
Courtney Castiglione / Krysta McRae
2026-04-29 · #2 Doubles · 3.0 · with Cecile Ward
expectation pending — we're still fetching an opponent's record
6-1, 7-5
W
Caryn Rubanovich / Anja Dixson
2026-04-26 · #2 Doubles · 3.0 · with Angela Landen
expectation pending — we're still fetching an opponent's record
6-4, 6-0
W
Angela Cortez / Victoria Ferguson
2026-04-22 · #2 Doubles · 3.0 · with Janet Murphy
expectation pending — we're still fetching an opponent's record
6-0, 6-3
W
Karin Copp / Amy Holzer
2026-04-15 · #1 Doubles · 3.0 · with May Salyards
expectation pending — we're still fetching an opponent's record
6-2, 6-2
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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.