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Tom Grissom

Portland, OR
3.5C year-end 2025
36 matches · 14W–22L · seasons 20192026
Bump probability
3.03.54.0lowhigh

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.

3.11
estimated dynamic rating
Where the rating sits now, on 6 matches this season · USTA never publishes this number
8%
down to 3.0
92%
stay 3.5
0%
up to 4.0
Projected to December: 5% down · 95% stay · 0% up, from a year-end estimate of 3.13. Higher than today’s 3.11 because players this far below their band have historically finished nearer the middle of it.

A 3.5 runs from 3.01 to 3.50. 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
Portland · 3.5
337 of 399
OR · 3.5
636 of 735

Tom 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.

Teams25 teams · 2015–2026
GLVR-Robertson
2026 Mixed 55 & Over · 7.0 Mixed
2026
PTC-Tait/Schwarz
2026 Mixed 18 & Over · 7.0 Mixed
2026
WHRC-Lofts/Park
2025 Adult 55 & Over · 7.0 Men
2025
WHRC-Lofts
2025 Adult 40 & Over · 3.5 Men
2025
WHRC-Moreno
2025 Mixed 55 & Over · 7.0 Mixed
2025
GLVR-Robertson
2025 Mixed 40 & Over · 7.0 Mixed
2025
Over timerating by season, and how you rank
Rating by season

Tom has been a steady 3.5 across all 3 seasons on record.

3.03.5201920242025

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 — 2019 — 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 level3 levels played
3.5
40%
6W–9L · 46.3% of games
7.0
75%
3W–1L · 58.3% of games
7.0mixed
31.2%
5W–11L · 47.6% of games

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

Match history36 matches
L
2026-05-22 · GLVR-Robertson · #2 Doubles · 7.0 · with Nozomi Bray
+0.000better than expected — took 48% of games against 43% expected
5-7, 6-4, 1-0
L
2026-05-16 · GLVR-Robertson · #2 Doubles · 7.0 · with Catherine Greenblatt
+0.000about as expected — took 33% of games against 30% expected
6-4, 6-2
L
2026-04-04 · GLVR-Robertson · #3 Doubles · 7.0 · with Nozomi Bray
+0.000below expectation — took 14% of games against 35% expected
6-2, 6-0
L
2026-03-20 · GLVR-Robertson · #1 Doubles · 7.0 · with Sarah Robertson
+0.000below expectation — took 29% of games against 42% expected
6-1, 6-4
L
2025-10-04 · PTC-Tait/Schwarz · #3 Doubles · 7.0 · with Kimberly Parks
+0.000below expectation — took 45% of games against 61% expected
6-3, 5-7, 1-0
L
Matt Snyder / Abigail Taylormixed
2025-09-27 · PTC-Tait/Schwarz · #2 Doubles · 7.0 · with Fiona Tait
+0.000better than expected — took 44% of games against 39% expected
3-6, 6-2, 1-0
L
Rachel Young / Alex Youngmixed
2025-08-01 · GLVR-Robertson · #1 Doubles · 7.0 · with Ericka Nelson
+0.000better than expected — took 47% of games against 38% expected
6-2, 2-6, 1-0
W
2025-07-06 · GLVR-Robertson · #2 Doubles · 7.0 · with Sarah Robertson
+0.000better than expected — took 57% of games against 40% expected
7-6, 6-4
W
2025-07-05 · GLVR-Robertson · #1 Doubles · 7.0 · with Ericka Nelson
+0.000about as expected — took 55% of games against 56% expected
6-3, 4-6, 1-0
L
Kirill Voronin / RAMBABU BANDAM
2025-06-22 · WHRC-Lofts · #3 Doubles · 3.5 · with Simon Buchard
0.021below expectation — took 33% of games against 45% expected
6-4, 6-2
W
2025-05-31 · WHRC-Lofts · #3 Doubles · 3.5 · with Simon Buchard
+0.030better than expected — took 54% of games against 42% expected
7-5, 6-7, 1-0
W
2025-05-23 · WHRC-Moreno · #1 Doubles · 7.0 · with Heike Droste
+0.000about as expected — took 75% of games against 71% 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.