L. Musetti leads the all-time head-to-head 4-0 against M. Arnaldi, over 4 matches.
| Surface | M. Arnaldi | L. Musetti |
|---|---|---|
| Hard | 0 | 2 |
| Clay | 0 | 2 |
| Date | Winner | Score | Event |
|---|---|---|---|
| July 27, 2026 | L. Musetti | 0 - 1 | Washington · 1/16-finals · hard |
| Jan. 14, 2025 | L. Musetti | 1 - 3 | Australian Open · 1/64-finals · hard |
| July 19, 2023 | L. Musetti | 2 - 1 | ATP Bastad · 1/8-finals · clay |
| May 14, 2023 | L. Musetti | 2 - 0 | ATP Rome · 1/32-finals · clay |