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Leslie OBrien

Lake Oswego, OR
4.5C year-end 2025
91 matches · 46W–45L · 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.

3.98
estimated dynamic rating
Where the rating sits now, on 3 matches this season · USTA never publishes this number
62%
down to 4.0
38%
stay 4.5
0%
up to 5.0
Projected to December: 38% down · 62% stay · 0% up, from a year-end estimate of 4.02. Higher than today’s 3.98 because players this far below their band have historically finished nearer the middle of it.

A 4.5 runs from 4.01 to 4.50. This rating sits in the bottom 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
Lake Oswego · 4.5
12 of 18
OR · 4.5
171 of 226

Leslie 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.

Teams30 teams · 2015–2026
LOTC-Mendenhall/Green-Zwemke
2026 Adult 40 & Over · 4.5 Women
2026
SAC-Nash/Benedict
2026 Adult 18 & Over · 4.5 Women
2026
LOTC-Mendenhall/Green-Zwemke
2025 Adult 40 & Over · 4.5 Women
2025
N OR-VTC-Mikalatos
2025 Adult 18 & Over · 4.5 Women
2025
LOTC-Mendenhall/Green-Zwemke
2024 Adult 40 & Over · 4.5 Women
2024
SHC-Edwards/O'Brien
2024 Adult 18 & Over · 4.5 Women
2024
Over timerating by season, and how you rank
Rating by season

Leslie has been a steady 4.5 across all 8 seasons on record.

4.04.520192020202120222023202420252026

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 — 2020, 2026 — 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 4.5, Leslie has gone from the 7th to the 38th 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 level2 levels played
4.0
93.8%
15W–1L · 64.7% of games
4.5
36.1%
22W–39L · 44.2% of games

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

Match history91 matches
L
2026-06-07 · SAC-Nash/Benedict · #3 Doubles · 4.5 · with Shannon Chen
+0.030better than expected — took 43% of games against 34% expected
6-2, 5-7, 1-0
W
2026-04-24 · SAC-Nash/Benedict · #3 Doubles · 4.5 · with Teresa Sullivan
+0.066better than expected — took 47% of games against 30% expected
2-6, 6-4, 1-0
L
2026-03-21 · LOTC-Mendenhall/Green-Zwemke · #3 Doubles · 4.5 · with Kayleen Mendenhall
+0.001about as expected — took 50% of games against 49% expected
6-4, 3-6, 1-0
L
2025-06-08 · N OR-VTC-Mikalatos · #1 Doubles · 4.5 · with Inna Vlad
0.022below expectation — took 25% of games against 40% expected
6-3, 6-1
W
N/A
2025-05-24 · N OR-VTC-Mikalatos · #3 Doubles · 4.5 · with Emi Tsumura
0.066about as expected — took 100% of games against 96% expected
6-0, 6-0
L
2025-04-12 · N OR-VTC-Mikalatos · #1 Doubles · 4.5 · with Sydney Ihde
+0.014better than expected — took 56% of games against 47% expected
6-4, 1-6, 1-0
L
2025-03-09 · LOTC-Mendenhall/Green-Zwemke · #2 Doubles · 4.5 · with Mary Green-Zwemke
0.042below expectation — took 38% of games against 57% expected
7-6, 6-2
L
2025-02-23 · LOTC-Mendenhall/Green-Zwemke · #3 Doubles · 4.5 · with Kayleen Mendenhall
0.033below expectation — took 29% of games against 47% expected
6-2, 6-3
W
2025-02-21 · LOTC-Mendenhall/Green-Zwemke · #2 Doubles · 4.5 · with Allison Reid
+0.031better than expected — took 54% of games against 42% expected
7-5, 6-7, 1-0
L
2025-02-01 · LOTC-Mendenhall/Green-Zwemke · #1 Doubles · 4.5 · with Allison Reid
+0.018about as expected — took 37% of games against 34% expected
6-3, 6-4
W
2025-01-26 · LOTC-Mendenhall/Green-Zwemke · #2 Doubles · 4.5 · with Kayleen Mendenhall
+0.024better than expected — took 54% of games against 44% expected
7-5, 6-6
L
2024-06-01 · LOTC-Mendenhall/Green-Zwemke · #1 Doubles · 4.5 · with Allison Reid
0.064below expectation — took 14% of games against 49% expected
6-2, 6-0
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