H2H data updated: 2026-09-02 00:00 UTC
Matteo Arnaldi holds a 1–0 lead over Sebastian Baez in their ATP head-to-head. Across 1 main-draw meeting, Matteo Arnaldi leads 1–0 on clay. Most recently, Matteo Arnaldi won the 2024 Barcelona Open second round 5-7 7-6(8) 6-2.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Matteo Arnaldi | 5-7 7-6(8) 6-2 | Sebastian Baez | Match data | Apr 18, 2024* | R32 | Barcelona Open | ATP 500 | Clay |
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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sebastian Baez | #51 | #18 | 2,250 | 1,898 | 124 | 126 | 49.6% | 0 | 0 | 0 | 2 | 5 | 7 |
| Matteo Arnaldi | #36 | #29 | 1,485 | 1,906 | 73 | 78 | 48.3% | 0 | 0 | 0 | 0 | 0 | 0 |
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 | Sebastian Baez | Matteo Arnaldi | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 20 | 2021 | 1–2 | 33.3% | #99 | 1,559 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2022 | 25–27 | 48.1% | #43 | 1,751 | 0 | 1 | 2022 | 0–1 | 0.0% | #134 | 1,519 | 0 | 0 |
| 22 | 2023 | 30–26 | 53.6% | #28 | 1,796 | 0 | 4 | 2023 | 17–14 | 54.8% | #44 | 1,824 | 0 | 0 |
| 23 | 2024 | 30–26 | 53.6% | #27 | 1,719 | 0 | 6 | 2024 | 27–25 | 51.9% | #37 | 1,808 | 0 | 0 |
| 24 | 2025 | 17–24 | 41.5% | #45 | 1,622 | 0 | 7 | 2025 | 20–24 | 45.5% | #61 | 1,740 | 0 | 0 |
| 25 | 2026 | 21–21 | 50.0% | #51 | 1,696 | 0 | 7 | 2026 | 9–14 | 39.1% | #36 | 1,701 | 0 | 0 |
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 | Sebastian Baez | Matteo Arnaldi | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 20 | 2021 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | 3 | 13 | 16 | 18.8% | 20 | 12 | 32 | 62.5% | 2 | 2 | 4 | 50.0% | 2022 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 22 | 2023 | 10 | 12 | 22 | 45.5% | 19 | 12 | 31 | 61.3% | 1 | 2 | 3 | 33.3% | 2023 | 8 | 7 | 15 | 53.3% | 9 | 6 | 15 | 60.0% | 0 | 1 | 1 | 0.0% |
| 23 | 2024 | 5 | 12 | 17 | 29.4% | 25 | 11 | 36 | 69.4% | 0 | 3 | 3 | 0.0% | 2024 | 17 | 15 | 32 | 53.1% | 9 | 8 | 17 | 52.9% | 1 | 2 | 3 | 33.3% |
| 24 | 2025 | 3 | 12 | 15 | 20.0% | 14 | 11 | 25 | 56.0% | 0 | 1 | 1 | 0.0% | 2025 | 13 | 16 | 29 | 44.8% | 7 | 6 | 13 | 53.8% | 0 | 2 | 2 | 0.0% |
| 25 | 2026 | 10 | 8 | 18 | 55.6% | 11 | 12 | 23 | 47.8% | 0 | 1 | 1 | 0.0% | 2026 | 1 | 7 | 8 | 12.5% | 8 | 5 | 13 | 61.5% | 0 | 2 | 2 | 0.0% |
| Career | — | 31 | 57 | 88 | 35.2% | 90 | 60 | 150 | 60.0% | 3 | 9 | 12 | 25.0% | — | 39 | 45 | 84 | 46.4% | 33 | 26 | 59 | 55.9% | 1 | 7 | 8 | 12.5% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 246/251 of Sebastian Baez's and 148/152 of Matteo Arnaldi'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 | Sebastian Baez | Matteo Arnaldi | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 20 | 2021 | 2/3 | 0.5 | 1.0 | 75.0% | 61.7% | 50.0% | 70.8% | 54.2% | 59.1% | 45.7% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2022 | 52/52 | 1.7 | 2.0 | 71.9% | 63.8% | 52.2% | 56.2% | 38.8% | 60.6% | 38.5% | 2022 | 1/1 | 2.0 | 2.0 | 62.5% | 62.9% | 42.9% | 57.1% | 0.0% | 55.4% | 22.9% |
| 22 | 2023 | 56/56 | 2.1 | 1.6 | 71.9% | 65.8% | 53.5% | 57.2% | 43.0% | 62.4% | 39.3% | 2023 | 31/31 | 5.5 | 3.3 | 57.5% | 69.7% | 53.7% | 65.7% | 47.7% | 63.0% | 37.6% |
| 23 | 2024 | 53/56 | 2.2 | 2.0 | 72.0% | 63.6% | 50.9% | 54.4% | 43.2% | 60.1% | 39.4% | 2024 | 50/52 | 7.3 | 3.4 | 56.3% | 71.3% | 49.7% | 57.5% | 42.7% | 61.7% | 37.8% |
| 24 | 2025 | 41/41 | 1.7 | 1.9 | 72.0% | 62.6% | 47.8% | 53.7% | 41.7% | 58.3% | 39.5% | 2025 | 44/44 | 6.6 | 3.2 | 56.5% | 71.8% | 52.0% | 63.9% | 33.3% | 63.4% | 34.5% |
| 25 | 2026 | 42/43 | 1.6 | 1.9 | 70.8% | 63.3% | 50.4% | 62.1% | 44.6% | 59.5% | 38.0% | 2026 | 22/24 | 6.2 | 4.1 | 59.7% | 68.6% | 44.2% | 56.0% | 39.2% | 58.3% | 35.6% |
| Career | — | 246/251 | 1.9 | 1.9 | 71.8% | 63.9% | 51.2% | 56.7% | 42.3% | 60.3% | 39.0% | — | 148/152 | 6.5 | 3.4 | 57.1% | 70.7% | 50.4% | 60.9% | 40.1% | 61.9% | 36.4% |
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 | Sebastian Baez | Matteo Arnaldi | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 20 | 2021 | 1559 | 115.7 | +0.21 | -0.95 | 1.118 | 52.6% | — | +51 | — | 50.0% | +0.50 | — | — | — | +0.21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 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%) | — | -1.51 | 2022 | 1519 | 106.5 | +0.69 | +2.40 | 0.513 | 40.4% | — | — | — | 0.0% | -3.50 | — | — | — | -0.04 |
| 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%) | — | +1.76 | 2023 | 1824 | 138.7 | -0.01 | +1.19 | 1.018 | 50.8% | -79 | -85 | — | 51.8% | +0.04 | 7–6 (54%) | 10–4 (71%) | — | +0.09 |
| 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%) | — | +3.34 | 2024 | 1809 | 152.7 | -1.74 | +1.60 | 0.987 | 49.8% | +10 | -7 | -192 | 52.2% | +0.01 | 9–12 (43%) | 14–12 (54%) | — | +0.02 |
| 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%) | — | +2.84 | 2025 | 1741 | 149.1 | -0.37 | -0.41 | 0.942 | 49.3% | +6 | +95 | — | 47.0% | -0.19 | 8–10 (44%) | 12–7 (63%) | — | -1.38 |
| 25 | 2026 | 1696 | 139.2 | -3.86 | +1.64 | 0.939 | 49.0% | -18 | +34 | — | 49.5% | -0.31 | 7–3 (70%) | 6–4 (60%) | — | -0.31 | 2026 | 1701 | 125.1 | -3.78 | -0.03 | 0.855 | 47.1% | -57 | +199 | — | 42.6% | -0.71 | 6–5 (55%) | 8–8 (50%) | — | +0.37 |
| Career | — | 1898 | 144.8 | -2.74 | +2.20 | 0.983 | 49.7% | -96 | +131 | -172 | 49.5% | -0.07 | 46–40 (53%) | 31–36 (46%) | 98.5 | +2.54 | — | 1906 | 146.5 | -1.26 | +0.68 | 0.955 | 49.4% | -14 | +42 | -192 | 48.8% | -0.18 | 30–33 (48%) | 44–31 (59%) | 102.5 | -0.63 |
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 |
|---|---|---|---|---|---|
| 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 |
| Miomir Kecmanovic | 1 | 3 | 4 | Jul 21, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Andrey Rublev | 2 | 3 | 5 | Jan 19, 2026 | H2H |
| Lorenzo Musetti | 0 | 4 | 4 | Jul 27, 2026 | H2H |
| Jaume Munar | 2 | 2 | 4 | May 6, 2026 | H2H |
| Alejandro Davidovich Fokina | 2 | 2 | 4 | Oct 4, 2025 | H2H |
| Daniil Medvedev | 0 | 4 | 4 | Oct 7, 2024 | H2H |