 Germany: M15 Offenbach - Doubles - Main |
|---|
| Quarter-finals | Beckley A./Einig F. | Mackenzie J./Mueller E. D. | 2:1 (66:7, 6:4, 11:9) | details | 15.10.2025 |
| 1/8-finals | Mathes K./Stueckrath L. | Mackenzie J./Mueller E. D. | 0:2 (3:6, 4:6) | details | 13.10.2025 |
 USA: US Open - Doubles - Main |
|---|
| Semi-finals | Johnston N./Willwerth B. | Mackenzie J./Mosejczuk D. | 2:1 (7:5, 4:6, 10:6) | details | 05.09.2025 |
| Quarter-finals | Mackenzie J./Mosejczuk D. | Karki R./Satterfield J. | 2:0 (7:65, 6:3) | details | 04.09.2025 |
| 1/8-finals | McCollum F./Spurling N. | Mackenzie J./Mosejczuk D. | 1:2 (66:7, 6:4, 5:10) | details | 03.09.2025 |
| 1/16-finals | Cozad R./Goode G. | Mackenzie J./Mosejczuk D. | 1:2 (6:1, 3:6, 12:14) | details | 02.09.2025 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/16-finals | Mackenzie J./McDonald N. | Alvarez Y./Secord J. | 0:2 (4:6, 3:6) | details | 07.07.2025 |
 France: French Open - Doubles - Main |
|---|
| 1/16-finals | Mackenzie J./McDonald N. | Exsted M./Vasilev A. | 1:2 (5:7, 6:2, 7:10) | details | 03.06.2025 |
 Australia: Australian Open - Doubles - Main |
|---|
| Quarter-finals | Bonding O./Leach J. | Mackenzie J./McDonald N. | 2:1 (6:0, 65:7, 10:6) | details | 22.01.2025 |
| 1/8-finals | Kawanishi H./Koyama H. | Mackenzie J./McDonald N. | 0:2 (4:6, 3:6) | details | 21.01.2025 |
| 1/16-finals | Mackenzie J./McDonald N. | Bernet H./Thomas F. | 2:0 (7:65, 6:3) | details | 20.01.2025 |
