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Rebecca Kosner

Deerfield, IL
4.0C year-end 2025
149 matches · 96W–53L · seasons 2019–2026
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.
3.67
estimated dynamic rating
Where the rating sits now, on 14 matches this season · USTA never publishes this number
2%
down to 3.5
98%
stay 4.0
0%
up to 4.5

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.
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
IL · 4.0
106 of 211
By our estimated rating, not the published level.
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Rebecca 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

Rebecca has played at 3.5, 4.0 across 8 seasons — 1 move up and 0 down.

3.03.54.020192020202120222023202420252026

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 4.0, Rebecca has gone from the 79th to the 57th percentile of players at that level, 2020 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
3.5
78.6%
22W–6L · 64.9% of games
4.0
67%
63W–31L · 55.5% of games
4.5
37.5%
3W–5L · 43.1% of games
7.5
71.4%
5W–2L · 59.5% of games

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

Match history149 matches
W
Lara Phillips / Erin Wyatt
2026-07-19 · #1 Doubles · 4.0 · with Joanne Lund
expectation pending — we're still fetching an opponent's record
7-5, 4-3
L
2026-05-17 · #2 Doubles · 4.0 · with Hilary Hoye
−0.013below expectation — took 29% of games against 40% expected
6-2, 6-3
W
N/A
2026-05-16 · #1 Doubles · 4.0 · with Michelle Parks
expectation pending — we're still fetching an opponent's record
6-0, 6-0
W
Kelly O'Donnell / Angela Lukas
2026-03-28 · #2 Doubles · 4.0 · with Janine Sheridan
expectation pending — we're still fetching an opponent's record
6-4, 6-1
L
2026-03-22 · #2 Doubles · 4.0 · with Hilary Hoye
−0.053below expectation — took 20% of games against 48% expected
6-1, 6-2
L
2026-03-01 · #3 Doubles · 4.0 · with Tory Day
expectation pending — we're still fetching an opponent's record
6-4, 5-4
L
2026-02-22 · #1 Doubles · 4.0 · with Whitney Becker
expectation pending — we're still fetching an opponent's record
7-5, 4-2
W
2026-02-14 · #3 Doubles · 4.0 · with Sara Olson
expectation pending — we're still fetching an opponent's record
6-3, 6-4
W
2026-01-10 · #2 Doubles · 4.0 · with Mira Struck
+0.076better than expected — took 86% of games against 46% expected
6-1, 6-1
W
Elizabeth Burns / Stephanie Thompson
2025-12-06 · #2 Doubles · 4.0 · with Sara Olson
expectation pending — we're still fetching an opponent's record
7-6, 4-2
L
Katie Burnside / Tiffany Carpenter
2025-11-22 · #3 Doubles · 4.0 · with Patricia Lozada
expectation pending — we're still fetching an opponent's record
6-1, 7-5
W
Lara Phillips / Erin Wyatt
2025-10-25 · #1 Doubles · 4.0 · with Sara Desai
expectation pending — we're still fetching an opponent's record
7-5, 2-6, 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.