H2H data updated: 2026-09-02 00:00 UTC

Gabriel Diallo vs Ethan Quinn

Compare the head-to-head record, career totals, season-by-season performance, and match log for Gabriel Diallo vs Ethan Quinn.

Canada Age 24 Right-Handed 203 cm / 6'8"
H2H
0 0
0 main draw meetings
United States Age 22 Right-Handed 191 cm / 6'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ethan Quinn #137 7-6(5) 6-2 Gabriel Diallo #88 Match data Mar 6, 2025* Q2 Q Indian Wells Open Masters 1000 Hard

1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Gabriel Diallo #114 #33 1,388 1,875 44 52 45.8% 0 0 0 0 1 1
Ethan Quinn #61 #45 1,021 1,771 26 39 40.0% 0 0 0 0 0 0

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Gabriel Diallo Ethan Quinn
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 2023 1–3 25.0% #344 1,494 0 0
20 2024 1–3 25.0% #202 1,467 0 0
21 2023 1–4 20.0% #139 1,477 0 0 2025 12–18 40.0% #70 1,716 0 0
22 2024 6–7 46.2% #87 1,720 0 0 2026 12–15 44.4% #61 1,737 0 0
23 2025 28–23 54.9% #41 1,810 0 1
24 2026 9–18 33.3% #114 1,680 0 1

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Gabriel Diallo Ethan Quinn
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
19 2023 0 2 2 0.0% 1 1 2 50.0%
20 2024 0 2 2 0.0% 1 1 2 50.0%
21 2023 1 3 4 25.0% 0 1 1 0.0% 2025 6 12 18 33.3% 4 4 8 50.0% 2 2 4 50.0%
22 2024 6 5 11 54.5% 0 1 1 0.0% 0 1 1 0.0% 2026 5 6 11 45.5% 1 6 7 14.3% 6 3 9 66.7%
23 2025 13 16 29 44.8% 6 4 10 60.0% 9 3 12 75.0%
24 2026 5 9 14 35.7% 1 5 6 16.7% 3 4 7 42.9%
Career 25 33 58 43.1% 7 10 17 41.2% 12 9 21 57.1% 11 22 33 33.3% 5 10 15 33.3% 10 7 17 58.8%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 94/96 of Gabriel Diallo's and 65/65 of Ethan Quinn's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Gabriel Diallo Ethan Quinn
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
19 —/— 2023 4/4 5.5 2.3 61.4% 70.8% 45.0% 62.5% 42.5% 60.9% 38.5%
20 —/— 2024 4/4 4.5 2.8 62.0% 70.6% 42.8% 67.9% 20.6% 59.8% 34.6%
21 2023 5/5 8.2 5.0 60.9% 68.0% 47.5% 48.0% 53.6% 59.8% 32.5% 2025 30/30 6.6 3.2 61.9% 69.9% 49.5% 59.3% 35.9% 62.2% 33.9%
22 2024 13/13 9.6 3.0 68.9% 70.6% 45.8% 66.8% 37.4% 63.0% 36.6% 2026 27/27 7.7 3.5 65.7% 75.0% 46.1% 46.6% 32.4% 65.7% 34.1%
23 2025 50/51 8.8 2.6 66.8% 74.3% 52.5% 51.8% 40.9% 67.0% 34.2% —/—
24 2026 26/27 7.5 2.8 68.4% 70.7% 45.3% 50.7% 44.4% 62.5% 32.1% —/—
Career 94/96 8.5 2.9 67.2% 72.5% 49.3% 53.4% 42.0% 64.8% 33.9% 65/65 6.9 3.2 63.5% 72.1% 47.4% 54.8% 33.9% 63.4% 34.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Gabriel Diallo Ethan Quinn
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
18 2022 1508 99.2
19 2023 1494 102.9 -0.81 -0.90 0.984 49.7% 22.2% -1.00 0–1 +0.41
20 2022 1515 106.2 2024 1468 108.5 -3.54 -0.68 0.860 47.1% 30.0% -0.40 1–1 0–3 (0%) +0.50
21 2023 1477 113.3 -0.84 -1.39 0.807 46.9% +37 33.3% -1.33 0–2 2–1 (67%) +0.22 2025 1716 129.3 -1.66 -1.51 0.896 48.0% -47 -19 -56 38.9% -0.68 3–2 (60%) 6–7 (46%) +0.18
22 2024 1721 129.3 +0.04 +0.66 0.990 50.0% 0 48.6% +0.05 1–2 (33%) 3–6 (33%) -0.02 2026 1737 133.1 +0.52 -0.14 0.994 50.0% -15 -100 -14 45.5% -0.11 3–3 (50%) 5–12 (29%) -0.18
23 2025 1811 145.8 +2.74 -0.89 1.036 50.8% -69 -124 -54 53.2% +0.20 9–8 (53%) 13–12 (52%) -1.78
24 2026 1680 127.3 -1.44 -2.03 0.856 47.8% +13 -78 +45 37.9% -0.76 5–4 (56%) 8–9 (47%) -0.07
Career 1875 138.2 +1.02 -1.02 0.963 49.6% -29 -107 -18 47.3% -0.16 15–16 (48%) 26–28 (48%) 103.7 -1.74 1771 128.3 -0.82 -0.85 0.937 48.9% -35 -57 -27 40.1% -0.44 7–6 (54%) 11–23 (32%) 96.2 +1.40

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.