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David Kabaker

Lake Oswego, OR
4.0A year-end 2024
15 matches · 8W–7L · seasons 20192026
Bump probability
3.54.04.5lowhigh

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.

3.62
estimated dynamic rating
Where the rating sits now, on 4 matches this season · USTA never publishes this number
7%
down to 3.5
93%
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 — 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
Lake Oswego · 4.0
33 of 46
OR · 4.0
352 of 498

David 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.

Teams56 teams · 2004–2026
MPRC-McNairy
2026 Adult 55 & Over · 9.0 Men
2026
NOR-MPRC-Abel
2026 Adult 65 & Over · 8.0 Men
2026
N OR-MPRC-Avenoso
2026 Adult 40 & Over · 4.0 Men
2026
MPRC-Strauss/Zuccari
2025 Adult 40 & Over · 4.5 Men
2025
MPRC-Strauss
2025 Adult 55 & Over · 9.0 Men
2025
N OR-MPRC-Abel
2024 Adult 55 & Over · 9.0 Men
2024
Over timerating by season, and how you rank
Rating by season

David has played at 4.5, 4.0 across 2 seasons — 0 moves up and 1 down.

3.54.04.520192026

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 — 2026 — 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

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
4.0
2W–0L
not enough matches yet
4.5
50%
2W–2L · 50.8% of games
8.0
0W–1L
not enough matches yet
9.0
60%
3W–2L · 50.5% of games

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

Match history15 matches
L
2026-04-12 · N OR-MPRC-Avenoso · #1 Doubles · with Chuck Gooding
0.035below expectation — took 14% of games against 38% expected
6-1, 6-1
L
2026-03-13 · NOR-MPRC-Abel · #3 Doubles · 8.0 · with Robert Fowler
0.080below expectation — took 20% of games against 59% expected
6-0, 6-3
W
2026-02-01 · N OR-MPRC-Avenoso · #2 Doubles · 4.0 · with Joerg Droste
+0.005about as expected — took 55% of games against 53% expected
5-7, 6-3, 1-0
W
2026-01-18 · N OR-MPRC-Avenoso · #1 Doubles · 4.0 · with Joerg Droste
+0.030better than expected — took 71% of games against 54% expected
6-4, 6-1
W
Michael Rollyson / Steve Coplinchamps
2019-06-29 · MPRC-Woodworth · #1 Doubles · with Mike McNairy
0.003better than expected — took 75% of games against 68% expected
6-0, 6-4
L
2019-06-27 · MPRC-Woodworth · #1 Doubles · with Stuart Allen
0.016below expectation — took 33% of games against 43% expected
6-3, 6-3
W
N/A
2019-06-22 · MPRC-Rider · #3 Doubles · 4.5 · with Steve Rider
0.101about as expected — took 100% of games against 96% expected
6-0, 6-0
W
Ryan Pitman / Ken McGair
2019-05-01 · MPRC-Rider · #3 Doubles · 4.5 · with Keith Abel
+0.044better than expected — took 65% of games against 44% expected
6-2, 7-5
L
David Perzik / Jason King
2019-04-27 · MPRC-Rider · #3 Doubles · 4.5 · with Kent Lewis
0.050below expectation — took 14% of games against 43% expected
6-1, 6-1
L
2019-03-23 · MPRC-Woodworth · #3 Doubles · 4.5 · with Chris Grenzer
0.016below expectation — took 32% of games against 42% expected
6-1, 7-5
W
Deke Gundersen / Rick Collins
2018-11-02 · MPRC-Abel · #2 Doubles · 9.0 · with Mitchell Strauss
0.041below expectation — took 50% of games against 66% expected
4-6, 7-6, 1-0
L
2018-10-28 · MPRC-Abel · #2 Doubles · 9.0 · with Richard Hammerquist
0.025below expectation — took 33% of games against 47% expected
6-2, 6-4
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.