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| Australian Open | ||
| Surface: Hard | Date: Jan. 14 - Jan. 27 | Seed: 1 |
| Round | Opponent | W / L | Result |
| First Round | Mitchell Krueger | Win | 6-3, 6-2, 6-2 |
| Second Round | Jo-Wilfried Tsonga | Win | 6-3, 7-5, 6-4 |
| Third Round | Denis Shapovalov | Win | 6-3, 6-4, 4-6, 6-0 |
| Fourth Round | Daniil Medvedev | Win | 6-4, 6-7 (5-7), 6-2, 6-3 |
| Quarterfinals | Kei Nishikori | Win | 6-1, 4-1 Retired |
| Semifinals | Lucas Pouille | Win | 6-0, 6-2, 6-2 |
| Final | Rafael Nadal | Win | 6-3, 6-2, 6-3 |
| Qatar ExxonMobil Open | ||
| Surface: Hard | Date: Dec. 31 - Jan. 5 | Seed: 1 |
| Round | Opponent | W / L | Result |
| First Round | Damir Dzumhur | Win | 6-1, 6-2 |
| Second Round | Marton Fucsovics | Win | 4-6, 6-4, 6-1 |
| Quarterfinals | Nikoloz Basilashvili | Win | 4-6, 6-3, 6-4 |
| Semifinals | Roberto Bautista Agut | Loss | 6-3, 6-7 (6-7), 4-6 |
