Level, 3 wins each over 6 singles meetings since 2021. Last meeting on 05/06/2026 at French Open - Paris.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 05/06/2026 | French Open - Paris | Semi-final | clay | Cobolli | |
| 29/05/2025 | French Open - Paris | Round 2 | clay | Cobolli | 6-3 6-3 6-7(6) 5-1 |
| 26/07/2023 | Plava Laguna Croatia Open - Umag | Round 2 | clay | Arnaldi | 3-6 6-7(5) |
| 01/08/2022 | Cordenons Challenger | Round 1 | clay | Arnaldi | 3-6 7-5 3-6 |
| 26/05/2022 | Vicenza Challenger | Round 2 | clay | Arnaldi | 6-4 4-6 6-4 |
| 13/10/2021 | Napoli 2 Challenger | Round 2 | clay | Cobolli | 1-6 6-3 2-6 |
| clay | Arnaldi 3 - 3 Cobolli |
| 2026 | Arnaldi 0 - 1 Cobolli |
| 2025 | Arnaldi 0 - 1 Cobolli |
| 2023 | Arnaldi 1 - 0 Cobolli |
| 2022 | Arnaldi 2 - 0 Cobolli |
| 2021 | Arnaldi 0 - 1 Cobolli |
222 wins, 146 losses since 2021 (60.3%).
Last matches: D D D V D
236 wins, 170 losses since 2021 (58.1%).
Last matches: V V D V V
Level, 3 wins each over 6 singles meetings since 2021.
On 05/06/2026, at French Open - Paris (Semi-final): Flavio Cobolli won.