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Rebecca Bosack

Palos Park, IL
4.5C year-end 2025
126 matches · 86W–40L · seasons 2020–2026
Bump probability
4.04.55.0lowhigh
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.
3.83
estimated dynamic rating
Where the rating sits now, on 24 matches this season · USTA never publishes this number
98%
down to 4.0
2%
stay 4.5
0%
up to 5.0
Projected to December: 85% down · 15% stay · 0% up, from a year-end estimate of 3.92. Higher than today’s 3.83 because players this far below their band have historically finished nearer the middle of it.

A 4.5 runs from 4.01 to 4.50. 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
IL · 4.5
48 of 61
By our estimated rating, not the published level.
i
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, 4.5 across 5 seasons — 2 moves up and 0 down.

3.03.54.04.520202022202420252026

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 4.5, Rebecca has gone from the 71st to the 72nd 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 level10 levels played
3.5
53.8%
7W–6L · 54.4% of games
4.0
82.1%
23W–5L · 66% of games
4.5
56.7%
17W–13L · 56.3% of games
5.0
40%
2W–3L · 50% of games
6.5
80%
4W–1L · 69.1% of games
7.5
100%
8W–0L · 72% of games
8.5
42.9%
6W–8L · 59% of games
10.0mixed
1W–0L
not enough matches yet
7.0mixed
100%
4W–0L · 73.1% of games
8.0mixed
1W–0L
not enough matches yet

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

Match history126 matches
L
2026-08-02 · #1 Doubles · with Grace Kuhrt
−0.000about as expected — took 33% of games against 38% expected
6-2, 6-4
L
2026-08-02 · #3 Doubles · with Alison Donnelly
expectation pending — we're still fetching an opponent's record
6-2, 6-0
L
Tracy Richards / Elizabeth Huffman
2026-07-06 · #3 Doubles · 8.5 · with Leigh Champagne
expectation pending — we're still fetching an opponent's record
6-2, 6-2
L
Tammy Mitchell / Courtney Shuster
2026-07-01 · #2 Doubles · 4.5 · with Susan DiMagno
expectation pending — we're still fetching an opponent's record
4-6, 6-3, 1-0
W
Janet Rauschenberger / Margaret Sabatino
2026-06-20 · #1 Doubles · 4.5 · with Rachel Corrough
expectation pending — we're still fetching an opponent's record
6-4, 6-3
W
2026-06-01 · #2 Doubles · 4.5 · with Grace Kuhrt
+0.020better than expected — took 57% of games against 48% expected
7-6, 5-3
L
2026-05-16 · #3 Doubles · 4.5 · with Kristine Jurczyk
+0.016better than expected — took 43% of games against 38% expected
6-7, 6-3, 1-0
W
Mary Therese Lee / Amanda Connell
2026-04-17 · #2 Doubles · 5.0 · with Carole Wittemann
expectation pending — we're still fetching an opponent's record
7-5, 6-4
W
Keara Miller / Nonie Carson
2026-04-11 · #1 Doubles · 4.5 · with Rachel Corrough
expectation pending — we're still fetching an opponent's record
6-3, 6-3
W
2026-04-04 · #3 Doubles · 8.5 · with Laurie Knutte
+0.068better than expected — took 80% of games against 45% expected
6-1, 6-2
W
N/A
2026-03-15 · #1 Doubles · 4.5 · with Michelle Perry
expectation pending — we're still fetching an opponent's record
6-0, 6-0
L
Leslie McClure / Jean Maren
2026-03-14 · #2 Doubles · 4.5 · with Emily Doyle
expectation pending — we're still fetching an opponent's record
2-6, 7-6, 1-0
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