Level, 4 wins each over 8 singles meetings since 2021. Last meeting on 14/10/2026 at Shanghai Rolex Masters - Shanghai.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 14/10/2026 | Shanghai Rolex Masters - Shanghai | Round 4 | hard | Ruud | 2-1 |
| 09/04/2026 | Monte-Carlo Rolex Masters - Monte-Carlo | Round 3 | clay | Aliassime | 7-5 1-1 |
| 15/08/2024 | Western & Southern Open - Cincinnati | Round 2 | hard | Aliassime | 3-6 1-6 |
| 01/08/2024 | Olympics - Paris | Quarter-final | clay | Aliassime | 4-6 7-6(8) 3-6 |
| 30/04/2024 | Mutua Madrid Open - Madrid | Round 4 | clay | Aliassime | 6-4 7-5 |
| 13/11/2022 | Nitto ATP Finals - Turin | Round robin | indoor hard | Ruud | 7-6(4) 6-4 |
| 12/08/2022 | National Bank Open - Montreal | Quarter-final | hard | Ruud | 6-1 6-2 |
| 03/05/2021 | Mutua Madrid Open - Madrid | Round 1 | clay | Ruud | 1-6 4-6 |
| hard | Aliassime 1 - 2 Ruud |
| clay | Aliassime 3 - 1 Ruud |
| indoor hard | Aliassime 0 - 1 Ruud |
| 2026 | Aliassime 1 - 1 Ruud |
| 2024 | Aliassime 3 - 0 Ruud |
| 2022 | Aliassime 0 - 2 Ruud |
| 2021 | Aliassime 0 - 1 Ruud |
233 wins, 132 losses since 2021 (63.8%).
Last matches: D V V D V
249 wins, 119 losses since 2021 (67.7%).
Last matches: D V V V D
Level, 4 wins each over 8 singles meetings since 2021.
On 14/10/2026, at Shanghai Rolex Masters - Shanghai (Round 4): Casper Ruud won 2-1.