H2H data updated: 2026-10-17 00:00 UTC
Alex Michelsen holds a 1–0 lead over Sebastian Baez in their ATP head-to-head. Across 1 main-draw meeting, Alex Michelsen leads 1–0 on clay. Most recently, Alex Michelsen won the 2026 Geneva Open first round 7-5 6-3.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Alex Michelsen | 7-5 6-3 | Sebastian Baez | Match data | May 18, 2026 | R32 | Geneva Open | ATP 250 | Clay |
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.
| 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 | #35 | #30 | 1,670 | 1,904 | 89 | 80 | 52.7% | 0 | 0 | 0 | 0 | 0 | 0 |
| Sebastian Baez | #53 | #18 | 2,250 | 1,898 | 125 | 129 | 49.2% | 0 | 0 | 0 | 2 | 5 | 7 |
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 | Sebastian Baez | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2023 | 7–5 | 58.3% | #97 | 1,621 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2024 | 31–29 | 51.7% | #41 | 1,840 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2025 | 24–26 | 48.0% | #38 | 1,741 | 0 | 0 | 2021 | 1–2 | 33.3% | #99 | 1,559 | 0 | 0 |
| 21 | 2026 | 27–20 | 57.4% | #35 | 1,867 | 0 | 0 | 2022 | 25–27 | 48.1% | #43 | 1,751 | 0 | 1 |
| 22 | — | — | — | — | — | — | — | 2023 | 30–26 | 53.6% | #28 | 1,796 | 0 | 4 |
| 23 | — | — | — | — | — | — | — | 2024 | 30–26 | 53.6% | #27 | 1,719 | 0 | 6 |
| 24 | — | — | — | — | — | — | — | 2025 | 17–24 | 41.5% | #45 | 1,622 | 0 | 7 |
| 25 | — | — | — | — | — | — | — | 2026 | 22–24 | 47.8% | #53 | 1,671 | 0 | 7 |
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 | Sebastian Baez | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| 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% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2025 | 17 | 17 | 34 | 50.0% | 2 | 5 | 7 | 28.6% | 5 | 4 | 9 | 55.6% | 2021 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 21 | 2026 | 21 | 13 | 34 | 61.8% | 6 | 6 | 12 | 50.0% | 0 | 1 | 1 | 0.0% | 2022 | 3 | 13 | 16 | 18.8% | 20 | 12 | 32 | 62.5% | 2 | 2 | 4 | 50.0% |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 10 | 12 | 22 | 45.5% | 19 | 12 | 31 | 61.3% | 1 | 2 | 3 | 33.3% |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 5 | 12 | 17 | 29.4% | 25 | 11 | 36 | 69.4% | 0 | 3 | 3 | 0.0% |
| 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 3 | 12 | 15 | 20.0% | 14 | 11 | 25 | 56.0% | 0 | 1 | 1 | 0.0% |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 11 | 11 | 22 | 50.0% | 11 | 12 | 23 | 47.8% | 0 | 1 | 1 | 0.0% |
| Career | — | 64 | 51 | 115 | 55.7% | 11 | 17 | 28 | 39.3% | 14 | 12 | 26 | 53.8% | — | 32 | 60 | 92 | 34.8% | 90 | 60 | 150 | 60.0% | 3 | 9 | 12 | 25.0% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 169/169 of Alex Michelsen's and 250/256 of Sebastian Baez'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 | Sebastian Baez | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2025 | 50/50 | 4.9 | 2.9 | 65.1% | 68.9% | 48.9% | 52.4% | 36.4% | 62.0% | 36.2% | 2021 | 2/3 | 0.5 | 1.0 | 75.0% | 61.7% | 50.0% | 70.8% | 54.2% | 59.1% | 45.7% |
| 21 | 2026 | 47/47 | 6.4 | 3.1 | 64.4% | 72.8% | 51.3% | 61.7% | 39.3% | 65.3% | 37.0% | 2022 | 52/52 | 1.7 | 2.0 | 71.9% | 63.8% | 52.2% | 56.2% | 38.8% | 60.6% | 38.5% |
| 22 | — | —/— | — | — | — | — | — | — | — | — | — | 2023 | 56/56 | 2.1 | 1.6 | 71.9% | 65.8% | 53.5% | 57.2% | 43.0% | 62.4% | 39.3% |
| 23 | — | —/— | — | — | — | — | — | — | — | — | — | 2024 | 53/56 | 2.2 | 2.0 | 72.0% | 63.6% | 50.9% | 54.4% | 43.2% | 60.1% | 39.4% |
| 24 | — | —/— | — | — | — | — | — | — | — | — | — | 2025 | 41/41 | 1.7 | 1.9 | 72.0% | 62.6% | 47.8% | 53.7% | 41.7% | 58.3% | 39.5% |
| 25 | — | —/— | — | — | — | — | — | — | — | — | — | 2026 | 46/48 | 1.8 | 1.8 | 70.7% | 63.4% | 50.8% | 59.9% | 43.3% | 59.7% | 37.6% |
| Career | — | 169/169 | 5.1 | 2.7 | 65.9% | 70.2% | 51.0% | 59.0% | 41.3% | 63.7% | 36.8% | — | 250/256 | 1.9 | 1.9 | 71.8% | 63.9% | 51.2% | 56.4% | 42.1% | 60.3% | 38.9% |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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 | Sebastian Baez | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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%) | 104.6 | +0.10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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%) | 95.1 | +0.19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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%) | 100.4 | +1.26 | 2021 | 1559 | 115.7 | +0.21 | -0.95 | 1.118 | 52.6% | — | +51 | — | 50.0% | +0.50 | — | — | — | +0.21 |
| 21 | 2026 | 1867 | 154.6 | +1.24 | +1.86 | 1.067 | 51.1% | +33 | -249 | — | 58.4% | +0.31 | 7–9 (44%) | 13–9 (59%) | 102.6 | -1.99 | 2022 | 1751 | 144.0 | -2.16 | +2.01 | 0.976 | 49.3% | -191 | +146 | -126 | 48.8% | -0.07 | 11–8 (58%) | 5–11 (31%) | 99.7 | -1.51 |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1796 | 146.4 | -1.09 | +2.60 | 1.046 | 50.6% | -125 | +102 | -217 | 52.3% | +0.16 | 9–8 (53%) | 7–13 (35%) | 98.2 | +1.76 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1719 | 142.5 | -2.99 | +2.61 | 0.986 | 49.9% | -81 | +207 | -187 | 51.8% | +0.06 | 11–10 (52%) | 8–7 (53%) | 98.2 | +3.34 |
| 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1623 | 133.0 | -4.38 | +2.09 | 0.946 | 49.0% | -63 | +138 | — | 43.9% | -0.35 | 8–11 (42%) | 5–1 (83%) | 96.2 | +2.84 |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1671 | 139.1 | -4.02 | +1.46 | 0.934 | 48.9% | -19 | +61 | — | 47.7% | -0.37 | 8–4 (67%) | 6–5 (55%) | 106.9 | -0.16 |
| Career | — | 1905 | 147.8 | -0.32 | +1.29 | 1.015 | 50.3% | +15 | -265 | -13 | 52.6% | +0.12 | 27–29 (48%) | 43–42 (51%) | 100.6 | -0.26 | — | 1898 | 144.7 | -2.78 | +2.16 | 0.981 | 49.6% | -93 | +135 | -172 | 49.2% | -0.09 | 47–41 (53%) | 31–37 (46%) | 98.1 | +2.56 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Taylor Fritz | 2 | 2 | 4 | Aug 16, 2026 | H2H |
| Adrian Mannarino | 3 | 1 | 4 | Jul 29, 2026 | H2H |
| Learner Tien | 3 | 1 | 4 | May 21, 2026 | H2H |
| Arthur Rinderknech | 0 | 4 | 4 | Apr 13, 2026 | H2H |
| Daniil Medvedev | 0 | 4 | 4 | Mar 11, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Luciano Darderi | 4 | 5 | 9 | Feb 28, 2026 | H2H |
| Holger Rune | 2 | 4 | 6 | Oct 4, 2025 | H2H |
| Camilo Ugo Carabelli | 4 | 1 | 5 | Feb 13, 2026 | H2H |
| Taylor Fritz | 0 | 5 | 5 | Apr 29, 2024 | H2H |
| Marcos Giron | 4 | 0 | 4 | Oct 8, 2026 | H2H |