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James Trolio

Cornelius, OR
3.5C year-end 2025
46 matches · 34W–12L · seasons 20252026
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.

3.35
estimated dynamic rating
Where the rating sits now, on 24 matches this season · USTA never publishes this number
0%
down to 3.0
97%
stay 3.5
3%
up to 4.0
Projected to December: 0% down · 99% stay · 1% up, from a year-end estimate of 3.30. Lower than today’s 3.35 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 3.5 runs from 3.01 to 3.50. This rating sits in the upper 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
OR · 3.5
220 of 735

James 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.

Teams9 teams · 2025–2026
Over timerating by season, and how you rank
Rating by season

James has been a steady 3.5 across all 2 seasons on record.

3.03.520252026

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 3.5, James has gone from the 28th to the 78th percentile of players at that level, 2025 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
100%
6W–0L · 70.6% of games
3.5
62.5%
10W–6L · 52.9% of games
6.0mixed
100%
8W–0L · 65.3% of games
7.0mixed
37.5%
3W–5L · 52.1% of games

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

Match history46 matches
L
2026-07-26 · CGM-Kropp · #1 Doubles · 7.0 · with Beth Traphagen
+0.000below expectation — took 29% of games against 42% expected
6-3, 6-2
L
Andrea Duranballen / William Allersmixed
2026-07-24 · CGM-Kropp · #1 Doubles · 7.0 · with Andrea Kropp
+0.000below expectation — took 29% of games against 57% expected
6-2, 6-3
W
Phyllis Ghazi / Ed Keenemixed
2026-07-18 · THPRD-Olson/Ross-Brockett · #2 Doubles · 6.0 · with Libby Anderson
+0.000about as expected — took 72% of games against 69% expected
6-0, 7-5
W
2026-07-18 · CGM-Kropp · #1 Doubles · 7.0 · with Andrea Kropp
+0.000better than expected — took 71% of games against 54% expected
6-4, 6-1
W
2026-06-14 · CGM-Kropp · #1 Doubles · 7.0 · with Andrea Kropp
+0.000better than expected — took 86% of games against 60% expected
6-0, 6-2
W
Joel Mercier / Zi Wang
2026-06-13 · THPRD-Barrantes · #3 Doubles · 3.5 · with Dan Tappan
+0.026better than expected — took 86% of games against 65% expected
6-1, 6-1
L
2026-06-12 · THPRD-Barrantes · #2 Doubles · 3.5 · with Rajesh Venkatasubramanian
0.022below expectation — took 39% of games against 50% expected
6-1, 4-6, 1-0
W
2026-06-07 · THPRD-Barrantes · #2 Doubles · 3.5 · with Rajesh Venkatasubramanian
0.002about as expected — took 68% of games against 64% expected
6-0, 7-6
W
2026-05-30 · THPRD-Barrantes · #2 Doubles · 3.5 · with Gavin Smith
+0.044better than expected — took 71% of games against 48% expected
6-1, 6-4
W
2026-05-09 · THPRD-Barrantes · #2 Doubles · 3.5 · with Francisco Pereira de Almeida Tulha
+0.045better than expected — took 60% of games against 41% expected
6-1, 5-7, 1-0
L
2026-04-11 · THPRD-Barrantes · #1 Doubles · with Prashanth Sakthi
+0.006about as expected — took 41% of games against 40% expected
7-6, 6-3
W
2026-04-10 · THPRD-Barrantes · #2 Doubles · with Prashanth Sakthi
+0.022better than expected — took 52% of games against 44% expected
6-7, 7-6, 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.