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Sean Amberg

Las Vegas, NV
4.5C year-end 2025
270 matches · 184W–86L · seasons 20192026
Bump probability
4.04.55.0lowhigh

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.

4.62
estimated dynamic rating
Where the rating sits now, on 37 matches this season · USTA never publishes this number
0%
down to 4.0
7%
stay 4.5
93%
up to 5.0
Projected to December: 0% down · 46% stay · 54% up, from a year-end estimate of 4.51. Lower than today’s 4.62 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 4.5 runs from 4.01 to 4.50. 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
Las Vegas · 4.5
1 of 39
NV · 4.5
1 of 61

Sean 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

Sean has played at 4.5, 5.0 across 8 seasons — 1 move up and 1 down.

4.04.55.020192020202120222023202420252026

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 4.5, Sean has gone from the 87th to the 95th 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 level8 levels played
0.0
1W–2L
not enough matches yet
4.5
83.9%
47W–9L · 63.3% of games
5.0
69.7%
23W–10L · 56.6% of games
10.0mixed
77.8%
7W–2L · 55.8% of games
8.0mixed
100%
15W–0L · 68.1% of games
8.5mixed
2W–1L
not enough matches yet
9.0mixed
67.5%
52W–25L · 57.2% of games
9.5mixed
56.2%
9W–7L · 55.5% of games

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

Match history270 matches
W
Jake Milliken / Kelly Tomlinchamps
2026-07-11 · #1 Doubles · with Seda Sargsyan
+0.086better than expected — took 71% of games against 34% expected
6-4, 6-1
W
Mike Kirby / Zel Mertzchamps
2026-07-11 · #1 Doubles · with Nicole Reyes
+0.060better than expected — took 71% of games against 42% expected
6-3, 6-2
L
Sarah Bach / Josh Stimacchamps
2026-07-10 · #2 Doubles · with Nicole Reyes
+0.045better than expected — took 50% of games against 33% expected
7-6, 5-7, 1-0
W
Nicolas Rioja / Mae Alexanderchamps
2026-07-10 · #3 Doubles · with Nicole Reyes
+0.086better than expected — took 62% of games against 31% expected
7-6, 6-2
W
Tom Mullin / Austin Petit
2026-06-06 · #2 Doubles · 4.5 · with Brett Condon
+0.013better than expected — took 71% of games against 61% expected
6-4, 6-1
W
Michael Delozier / Sofia Nunochamps
2026-05-28 · #3 Doubles · with Nicole Reyes
+0.004about as expected — took 63% of games against 59% expected
6-3, 6-4
L
Nevin Sahni / Caitlin Murphychamps
2026-05-28 · #1 Doubles · with Lindsey White
0.022below expectation — took 42% of games against 52% expected
4-6, 6-2, 1-0
W
Enhua Chen / Kara Godfreychamps
2026-05-27 · #3 Doubles · with Nicole Reyes
0.002better than expected — took 75% of games against 68% expected
6-1, 6-3
W
Christopher Andre / Tyler Parlade
2026-05-23 · #3 Doubles · 4.5 · with Nevin Sahni
0.020below expectation — took 52% of games against 61% expected
6-4, 4-6, 1-0
W
2026-05-17 · #2 Doubles · 9.0 · with Morgan Daley
+0.000about as expected — took 65% of games against 68% expected
6-1, 7-6
L
2026-05-16 · #1 Doubles · 4.5 · with Kyle Knecht
0.051below expectation — took 41% of games against 62% expected
7-6, 6-3
L
Amy Graybeal / Sean Monkmixed
2026-05-10 · #2 Doubles · 9.0 · with Emily Adams
+0.000below expectation — took 50% of games against 68% expected
2-6, 6-3, 1-0
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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.