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Jungjoo Lee

Portland, OR
2.5C year-end 2025
57 matches · 21W–36L · seasons 20232026
Bump probability
2.02.53.0lowhigh

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.

2.59
estimated dynamic rating
Where the rating sits now, on 7 matches this season · USTA never publishes this number
0%
down to 2.0
12%
stay 2.5
88%
up to 3.0
Projected to December: 0% down · 56% stay · 44% up, from a year-end estimate of 2.49. Lower than today’s 2.59 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 2.5 runs from 2.01 to 2.50. 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
Portland · 2.5
12 of 34
OR · 2.5
21 of 61

Jungjoo 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

Jungjoo has played at 2.5, 3.0 across 4 seasons — 1 move up and 0 down.

2.02.53.02023202420252026

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 3.0, Jungjoo has gone from the 0th to the 3rd percentile of players at that level, 2023 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 level3 levels played
2.5
62.5%
10W–6L · 47.6% of games
3.0
30.8%
8W–18L · 41.1% of games
2.5mixed
27.3%
3W–8L · 48.2% of games

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

Match history57 matches
L
Amit Sharma / Bishu Guha
2026-03-14 · #1 Doubles · 3.0 · with Donghyup Ryu
0.002below expectation — took 8% of games against 23% expected
6-0, 6-1
L
Joseph M Heffernan III / Danny Peter
2026-02-22 · #2 Doubles · 3.0 · with Hyunsu Kim
+0.003below expectation — took 25% of games against 32% expected
6-2, 6-2
L
Michael Navarro / David Harper
2026-02-07 · #2 Doubles · 3.0 · with Donghyup Ryu
+0.012about as expected — took 41% of games against 38% expected
7-6, 6-3
L
2026-01-30 · #3 Doubles · 3.0 · with Suk Chung
0.035below expectation — took 25% of games against 45% expected
6-0, 6-4
W
2026-01-17 · #3 Doubles · 3.0 · with Suk Chung
+0.043better than expected — took 50% of games against 36% expected
3-6, 6-4, 1-0
L
David Roberts / Melissa Skinnermixed
2025-10-26 · #1 Doubles · 2.5 · with Jill Otermat
+0.000about as expected — took 47% of games against 45% expected
2-6, 6-2, 1-0
W
N/Amixed
2025-09-19 · #2 Doubles · 2.5 · with Woojin Lee
+0.000better than expected — took 100% of games against 31% expected
6-0, 6-0
L
Leon Greene / Benjamin Kelloggchamps
2025-09-13 · #1 Doubles · with Donghyup Ryu
0.040below expectation — took 35% of games against 54% expected
7-5, 6-2
L
Derek Coley / Ben Simekchamps
2025-09-12 · #1 Doubles · with Donghyup Ryu
0.067below expectation — took 20% of games against 54% expected
6-1, 6-2
L
2025-08-09 · #1 Doubles · 3.0 · with JUN KYU PARK
+0.024about as expected — took 33% of games against 30% expected
6-2, 6-4
W
2025-08-03 · #1 Doubles · 3.0 · with Jinhong Shin
+0.039better than expected — took 71% of games against 50% expected
6-2, 6-3
W
Benjamin Kellogg / Leon Greene
2025-08-02 · #1 Doubles · 2.5 · with Byoungsoo Ham
0.000about as expected — took 65% of games against 62% expected
6-2, 7-5
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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.