H2H data updated: 2026-09-01 00:00 UTC

Alex Michelsen vs Ethan Quinn H2H: 0-1

Ethan Quinn holds a 1–0 lead over Alex Michelsen in their ATP head-to-head. Across 1 main-draw meeting, Ethan Quinn leads 1–0 on hard courts. Most recently, Ethan Quinn won the 2025 Japan Open first round 7-5 6-2.

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Alex Michelsen
United States Age 22 Right-Handed 193 cm / 6'4"
H2H
0 – 1
1 main draw meetings
Ethan Quinn
United States Age 22 Right-Handed 191 cm / 6'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ethan Quinn #81 7-5 6-2 Alex Michelsen #32 Match data Sep 27, 2025* R32 Japan Open ATP 500 Hard

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
Alex Michelsen #46 #30 1,670 1,878 86 77 52.8% 0 0 0 0 0 0
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 Alex Michelsen Ethan Quinn
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2023 7–5 58.3% #97 1,621 0 0 — — — — — — —
19 2024 31–29 51.7% #41 1,840 0 0 2023 1–3 25.0% #344 1,494 0 0
20 2025 24–26 48.0% #38 1,741 0 0 2024 1–3 25.0% #202 1,467 0 0
21 2026 24–17 58.5% #46 1,833 0 0 2025 12–18 40.0% #70 1,716 0 0
22 — — — — — — — 2026 12–15 44.4% #61 1,737 0 0

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 Alex Michelsen 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 %
18 2023 3 3 6 50.0% — — — — 4 2 6 66.7% — — — — — — — — — — — — —
19 2024 23 18 41 56.1% 3 6 9 33.3% 5 5 10 50.0% 2023 0 2 2 0.0% — — — — 1 1 2 50.0%
20 2025 17 17 34 50.0% 2 5 7 28.6% 5 4 9 55.6% 2024 0 2 2 0.0% — — — — 1 1 2 50.0%
21 2026 18 10 28 64.3% 6 6 12 50.0% 0 1 1 0.0% 2025 6 12 18 33.3% 4 4 8 50.0% 2 2 4 50.0%
22 — — — — — — — — — — — — — 2026 5 6 11 45.5% 1 6 7 14.3% 6 3 9 66.7%
Career — 61 48 109 56.0% 11 17 28 39.3% 14 12 26 53.8% — 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 163/164 of Alex Michelsen'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 Alex Michelsen 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%
18 2023 12/12 4.6 2.1 66.1% 71.1% 52.2% 63.6% 41.6% 65.0% 35.1% — —/— — — — — — — — — —
19 2024 60/60 4.4 2.4 67.8% 69.2% 52.2% 61.5% 46.9% 63.6% 37.6% 2023 4/4 5.5 2.3 61.4% 70.8% 45.0% 62.5% 42.5% 60.9% 38.5%
20 2025 50/50 4.9 2.9 65.1% 68.9% 48.9% 52.4% 36.4% 62.0% 36.2% 2024 4/4 4.5 2.8 62.0% 70.6% 42.8% 67.9% 20.6% 59.8% 34.6%
21 2026 41/42 6.1 2.8 65.1% 72.5% 51.0% 61.8% 38.3% 65.2% 36.8% 2025 30/30 6.6 3.2 61.9% 69.9% 49.5% 59.3% 35.9% 62.2% 33.9%
22 — —/— — — — — — — — — — 2026 27/27 7.7 3.5 65.7% 75.0% 46.1% 46.6% 32.4% 65.7% 34.1%
Career — 163/164 5.0 2.6 66.1% 70.1% 50.9% 58.9% 41.1% 63.6% 36.8% — 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 Alex Michelsen 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 2023 1622 115.1 -0.82 +0.35 1.002 50.3% -82 — +75 54.8% +0.32 3–1 (75%) 3–2 (60%) — +0.10 2022 1508 99.2 — — — — — — — — — — — — —
19 2024 1841 148.9 -0.56 +2.41 1.035 50.8% +17 -314 -94 51.7% +0.21 8–13 (38%) 15–19 (44%) — +0.19 2023 1494 102.9 -0.81 -0.90 0.984 49.7% — — — 22.2% -1.00 — 0–1 — +0.41
20 2025 1741 137.0 -1.37 -0.36 0.951 48.9% +12 -228 +19 47.1% -0.23 9–6 (60%) 12–12 (50%) — +1.26 2024 1468 108.5 -3.54 -0.68 0.860 47.1% — — — 30.0% -0.40 1–1 0–3 (0%) — +0.50
21 2026 1833 150.2 +0.98 +1.56 1.057 50.9% +46 -214 — 57.5% +0.28 7–7 (50%) 11–7 (61%) — -1.51 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 — — — — — — — — — — — — — — — — 2026 1737 133.1 +0.51 -0.13 0.994 50.0% -15 -100 -14 45.5% -0.11 3–3 (50%) 5–12 (29%) — -0.18
Career — 1879 146.3 -0.44 +1.19 1.011 50.2% +17 -250 -13 52.1% +0.11 27–27 (50%) 41–40 (51%) 101.0 +0.02 — 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.