H2H data updated: 2026-10-17 00:00 UTC
Matteo Arnaldi holds a 2–0 lead over Rei Sakamoto in their ATP head-to-head. Across 2 main-draw meetings, Matteo Arnaldi leads 2–0 on hard courts. Most recently, Matteo Arnaldi won the 2026 Japan Open first round 2-6 6-4 6-4.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Matteo Arnaldi | 2-6 6-4 6-4 | Rei Sakamoto | Match data | Sep 30, 2026 | R32 | Japan Open | ATP 500 | Hard |
| Matteo Arnaldi | 7-6(3) 6-4 | Rei Sakamoto | Match data | Oct 3, 2025* | R128 | Shanghai Masters | Masters 1000 | 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Matteo Arnaldi | #38 | #29 | 1,485 | 1,906 | 75 | 80 | 48.4% | 0 | 0 | 0 | 0 | 0 | 0 |
| Rei Sakamoto | #137 | #133 | 429 | 1,693 | 4 | 8 | 33.3% | 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 | Matteo Arnaldi | Rei Sakamoto | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 19 | — | — | — | — | — | — | — | 2025 | 0–2 | 0.0% | #184 | 1,522 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 2026 | 4–6 | 40.0% | #137 | 1,693 | 0 | 0 |
| 21 | 2022 | 0–1 | 0.0% | #134 | 1,519 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2023 | 17–14 | 54.8% | #44 | 1,824 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2024 | 27–25 | 51.9% | #37 | 1,808 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2025 | 20–24 | 45.5% | #61 | 1,740 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2026 | 11–16 | 40.7% | #38 | 1,717 | 0 | 0 | — | — | — | — | — | — | — |
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 | Matteo Arnaldi | Rei Sakamoto | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1473 | 96.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1523 | 110.6 | -1.19 | -3.20 | 0.733 | 47.0% | — | — | — | 0.0% | -1.75 | — | 0–1 | — | -0.11 |
| 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1693 | 130.8 | +2.17 | -2.35 | 0.963 | 49.1% | +20 | — | — | 43.3% | -0.50 | 2–3 (40%) | 2–5 (29%) | 97.0 | +0.28 |
| 21 | 2022 | 1519 | 106.5 | +0.69 | +2.40 | 0.513 | 40.4% | — | — | — | 0.0% | -3.50 | — | — | — | -0.04 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2023 | 1824 | 138.7 | -0.01 | +1.19 | 1.018 | 50.8% | -79 | -85 | — | 51.8% | +0.04 | 7–6 (54%) | 10–4 (71%) | 106.7 | +0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 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%) | 98.5 | +0.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2025 | 1741 | 149.1 | -0.37 | -0.41 | 0.942 | 49.3% | +6 | +95 | — | 47.0% | -0.19 | 8–10 (44%) | 12–7 (63%) | 99.0 | -1.38 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2026 | 1718 | 130.7 | -3.61 | +0.62 | 0.879 | 47.6% | -48 | +186 | — | 42.9% | -0.65 | 7–5 (58%) | 8–9 (47%) | 101.5 | +0.28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1906 | 147.1 | -1.29 | +0.77 | 0.957 | 49.4% | -14 | +39 | -192 | 48.7% | -0.18 | 31–33 (48%) | 44–32 (58%) | 102.8 | -0.67 | — | 1693 | 122.0 | +1.61 | -2.49 | 0.920 | 48.8% | +20 | — | — | 38.2% | -0.65 | 2–3 (40%) | 2–6 (25%) | 96.3 | +1.42 |
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 |
|---|---|---|---|---|---|
| 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 |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Matteo Arnaldi | 0 | 2 | 2 | Sep 30, 2026 | H2H |
| Alex de Minaur | 0 | 1 | 1 | Oct 11, 2026 | H2H |
| Andrey Rublev | 1 | 0 | 1 | Oct 9, 2026 | H2H |
| Marco Trungelliti | 1 | 0 | 1 | Oct 7, 2026 | H2H |
| Frances Tiafoe | 0 | 1 | 1 | Sep 2, 2026 | H2H |