If they played today
Matteo Arnaldi
50%
Sets 2–0
Thin data
Rei Sakamoto
50%
2–0
25%
2–1
25%
1–2
25%
0–2
25%
Chance of a third set 50%
Current ratings and the head-to-head record, for a best-of-three match with no tournament attached. For the forecast of a scheduled match, open the match page.
Side by side
| Matteo Arnaldi | Rei Sakamoto | |
| 1550 (#270) | Rating | 1561 (#246) |
| 23–27 (46%) | Win-loss | 25–22 (53%) |
| 50 | ATP/WTA matches | 21 |
| LLWLL | Recent form | WWLWL |
All meetings (1)
| 2025-10-02 | Matteo Arnaldi | 2–0 | ATP Singles: Shanghai |
Last five: Matteo Arnaldi
| 2026-08-15 | L | Martin Landaluce | 1-2 | Cincinnati |
| 2026-08-07 | L | Tallon Griekspoor | 1-2 | Montreal |
| 2026-08-05 | W | Fábián Marozsán | 2-1 | Montreal |
| 2026-07-27 | L | Lorenzo Musetti | 0-1 | Washington |
| 2026-07-16 | L | Damir Džumhur | 1-2 | Umag |
Full record for Matteo Arnaldi →
Last five: Rei Sakamoto
| 2026-09-02 | L | Frances Tiafoe | 0-3 | US Open, Men |
| 2026-08-24 | W | Jay Clarke | 2-1 | US Open, Men |
| 2026-06-25 | L | Jaime Faria | 1-3 | Wimbledon |
| 2026-06-24 | W | Aziz Dougaz | 2-0 | Wimbledon |
| 2026-06-22 | W | Anton Matusevich | 2-1 | Wimbledon |