| 2026-03-05 | Indian Wells Masters | Hard | R128 | 148 |  Gael Monfils | 219 |  Alexis Galarneau | 6-3 6-4 | H2H | 3 | 82 | 6 | 1 | 71.0% | 72.7% | 50.0% | 2/4 |
| 2025-07-27 | Canada Masters | Hard | R64 | 17 |  Flavio Cobolli (13) | 193 | Alexis Galarneau (WC) | 6-4 5-7 6-4 | H2H | 3 | 148 | 12 | 9 | 50.0% | 69.1% | 49.1% | 7/11 |
| 2025-07-27 | Canada Masters | Hard | R128 | 193 | Alexis Galarneau (WC) | 64 | Arthur Rinderknech | 7-6(2) 6-3 | H2H | 3 | 96 | 5 | 2 | 63.8% | 81.8% | 56.0% | 2/3 |
| 2025-01-31 | Davis Cup QLS R1: CAN vs HUN | Hard | RR | 58 |  Fabian Marozsan | 176 | Alexis Galarneau | 6-3 3-6 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 2025-01-31 | Davis Cup QLS R1: CAN vs HUN | Hard | RR | 96 | Marton Fucsovics | 176 | Alexis Galarneau | 7-6(8) 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 2023-09-13 | Davis Cup Finals RR: CAN vs ITA | Hard | RR | 200 | Alexis Galarneau | 38 | Lorenzo Sonego | 7-6(8) 6-4 | H2H | 3 | - | 4 | 1 | 58.9% | 67.4% | 73.3% | 4/5 |
| 2023-09-16 | Davis Cup Finals RR: CAN vs CHI | Hard | RR | 200 | Alexis Galarneau | 124 |  Alejandro Tabilo | 6-3 7-6(5) | H2H | 3 | - | 6 | 3 | 59.2% | 73.3% | 61.3% | 6/7 |
| 2023-08-07 | Canada Masters | Hard | R64 | 22 |  Francisco Cerundolo | 192 | Alexis Galarneau (WC) | 6-2 4-6 6-4 | H2H | 3 | 158 | 10 | 6 | 56.5% | 61.5% | 54.0% | 10/13 |
| 2022-08-08 | Canada Masters | Hard | R64 | 19 |  Grigor Dimitrov (15) | 237 | Alexis Galarneau (WC) | 6-4 7-5 | H2H | 3 | 95 | 10 | 0 | 72.4% | 81.0% | 56.3% | 0/1 |
| 2022-03-04 | Davis Cup QLS R1: CAN vs NED | Clay | RR | 48 |  Botic van de Zandschulp | 332 | Alexis Galarneau | 7-5 7-6(9) | H2H | 3 | 137 | 1 | 8 | 60.6% | 66.7% | 43.6% | 8/12 |
