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Bob Isaacson

Kirkland, WA
3.0C year-end 2025
92 matches · 39W–53L · seasons 20192026
Bump probability
2.53.03.5lowhigh

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.

3.10
estimated dynamic rating
Where the rating sits now, on 29 matches this season · USTA never publishes this number
0%
down to 2.5
11%
stay 3.0
89%
up to 3.5
Projected to December: 0% down · 55% stay · 45% up, from a year-end estimate of 2.99. Lower than today’s 3.10 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 — 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
Kirkland · 3.0
5 of 31
WA · 3.0
103 of 755

Bob 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.

Over timerating by season, and how you rank
Rating by season

Bob has been 3.0 for all 6 seasons on record, but moved a long way inside it — from the middle of the band to the top.

2.53.0201920202022202320252026

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. The smaller, faded points — 2020 — rest on fewer than 5 matches, where the estimate is mostly the level the player was entered at rather than anything they did on court. Read the shape, not the value.

How you rank at your level
At 3.0, Bob has gone from the 36th to the 93rd percentile of players at that level, 2019 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
3.0
60%
21W–14L · 57.1% of games
3.5
5%
1W–19L · 31.4% of games
6.0
76.9%
10W–3L · 56.5% of games
7.0
25%
3W–9L · 42.4% of games

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

Match history92 matches
L
2026-06-28 · #1 Doubles · with Christopher Glassmoyer
+0.014about as expected — took 43% of games against 38% expected
5-7, 6-2, 1-0
W
2026-06-27 · #3 Doubles · with Eric Baird
0.019about as expected — took 67% of games against 69% expected
6-3, 6-3
W
2026-06-26 · #1 Doubles · with Tony Balkan
+0.029better than expected — took 65% of games against 50% expected
6-2, 7-5
L
2026-06-26 · #1 Doubles · with Tony Balkan
+0.010better than expected — took 55% of games against 48% expected
2-6, 7-6, 1-0
L
Bryan Liu / Arun Sundaram
2026-05-02 · #1 Doubles · 3.5 · with Tony Balkan - *
not counted — an opponent has no rating on record
6-1, 6-2
L
Mohamed Azdamou / Ryan Hirokane
2026-04-11 · #2 Doubles · 3.5 · with Justin VonGortler
not counted — an opponent has no rating on record
6-4, 6-2
L
Cameron Hykes / Raymond Attisha
2026-04-04 · #1 Doubles · 3.5 · with Bob Isaacson - *
not counted — an opponent has no rating on record
6-1, 7-5
L
Ryan Duffy / David Halgren
2026-03-14 · #2 Doubles · 3.5 · with Frank Taylor
+0.004below expectation — took 25% of games against 31% expected
6-3, 6-1
L
2026-03-08 · #3 Doubles · 3.5 · with Justin VonGortler
0.026below expectation — took 25% of games against 41% expected
6-2, 6-2
W
Mark Moskal / Manuel Sugawara
2026-03-06 · #3 Doubles · 3.0 · with Justin VonGortler
+0.034better than expected — took 92% of games against 66% expected
6-1, 6-0
W
Henry Osias / Tim Tao
2026-02-20 · #3 Doubles · 3.0 · with Justin VonGortler
+0.032better than expected — took 86% of games against 63% expected
6-0, 6-2
L
2026-02-20 · #2 Doubles · 3.5 · with Justin VonGortler
+0.017about as expected — took 38% of games against 35% expected
6-2, 7-6
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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.