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Jeff Blackburn

Seattle, WA
4.0C year-end 2025
110 matches · 87W–23L · 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.

3.99
estimated dynamic rating
Where the rating sits now, on 14 matches this season · USTA never publishes this number
0%
down to 3.5
56%
stay 4.0
44%
up to 4.5
Projected to December: 0% down · 87% stay · 13% up, from a year-end estimate of 3.91. Lower than today’s 3.99 because form regresses — players this far into 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 4.0 runs from 3.51 to 4.00. 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
Seattle · 4.0
6 of 186
WA · 4.0
13 of 782

Jeff 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

Jeff has played at 4.0, 4.5 across 6 seasons — 1 move up and 1 down.

3.54.04.5201920202021202220242025

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 — 2022, 2024 — 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 4.0, Jeff has gone from the 74th to the 68th percentile of players at that level, 2019 to 2025.

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 level6 levels played
4.0
77.8%
28W–8L · 60.1% of games
4.5
50%
2W–2L · 48.1% of games
8.0
100%
5W–0L · 60.6% of games
7.5mixed
3W–0L
not enough matches yet
8.0mixed
90.9%
20W–2L · 67% of games
9.0mixed
100%
9W–0L · 65.4% of games

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

Match history110 matches
W
Eric Dahms / Gladys Espondamixed
2026-07-25 · #1 Doubles · 8.0 · with Anne Blackburn
+0.000below expectation — took 25% of games against 55% expected
1-3
L
2026-06-28 · #3 Doubles · with Chris Scalzo
0.026below expectation — took 38% of games against 51% expected
7-5, 6-3
W
2026-06-27 · #3 Doubles · with Michael Steele
0.020about as expected — took 62% of games against 66% expected
7-5, 6-3
W
Craig Fager / Glen Satrechamps
2026-06-27 · #2 Doubles · with Chris Scalzo
+0.048better than expected — took 80% of games against 54% expected
6-0, 6-3
W
Michael Williams / Jeff Englechamps
2026-06-26 · #3 Doubles · with Chris Scalzo
0.028below expectation — took 56% of games against 65% expected
6-2, 3-6, 1-0
W
Jed Galan / Sherr Aquinomixed
2026-06-20 · #2 Doubles · 8.0 · with Adriana Haskal
+0.000better than expected — took 60% of games against 51% expected
6-4, 6-4
W
Madeleine West / Tommy Westmixed
2026-02-28 · #2 Doubles · 8.0 · with Anne Blackburn
+0.000better than expected — took 63% of games against 48% expected
6-3, 6-4
W
Carolyn Winn / John Cartermixed
2026-02-21 · #1 Doubles · 8.0 · with Anne Blackburn
+0.000better than expected — took 86% of games against 53% expected
6-2, 6-0
W
Laura Edmondson / Francisco Loayzamixed
2026-02-14 · #1 Doubles · 8.0 · with Anne Blackburn
+0.000better than expected — took 75% of games against 55% expected
6-4, 6-0
W
Tommy West / Madeleine Westmixed
2026-01-31 · #2 Doubles · 8.0 · with Julia Scher
+0.000about as expected — took 56% of games against 56% expected
3-6, 6-2, 1-0
W
Isabelle Li / Nehme Lahoudmixed
2026-01-17 · #1 Doubles · 8.0 · with Anne Blackburn
+0.000better than expected — took 92% of games against 53% expected
6-1, 6-0
L
Avinash Mehta / Kathy Archibaldchamps
2025-12-14 · #3 Doubles · with Anne Blackburn
0.053below expectation — took 25% of games against 52% expected
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.