Australia: Australian Open - Doubles - Main |
| 1/32-finals | Monroe N./Tiafoe F. | Puetz T./Venus M. | 0:2 (1:6, 63:7) | details | 19.01.2022 |
Australia: Adelaide - Doubles - Main |
| 1/8-finals | Dodig I./Melo M. | Monroe N./Tiafoe F. | 2:1 (63:7, 7:5, 10:8) | details | 06.01.2022 |
| 1/16-finals | Reese H./Verbeek S. | Monroe N./Tiafoe F. | 0:2 (64:7, 2:6) | details | 03.01.2022 |
USA: US Open - Doubles - Main |
| 1/32-finals | Eubanks C./Fratangelo B. | Monroe N./Tiafoe F. | 2:1 (4:6, 6:3, 6:2) | details | 02.09.2021 |
USA: Cincinnati - Doubles - Main |
| 1/8-finals | Monroe N./Tiafoe F. | Ram R./Salisbury J. | 0:2 (615:7, 2:6) | details | 19.08.2021 |
| 1/16-finals | Golubev A./Mies A. | Monroe N./Tiafoe F. | 0:2 (65:7, 5:7) | details | 16.08.2021 |
France: French Open - Doubles - Main |
| 1/16-finals | Bopanna R./Skugor F. | Monroe N./Tiafoe F. | 2:0 (6:4, 7:5) | details | 03.06.2021 |
| 1/32-finals | Monroe N./Tiafoe F. | Kubot L./Melo M. | 2:0 (6:3, 6:4) | details | 01.06.2021 |
Portugal: Estoril - Doubles - Main |
| Quarter-finals | Monroe N./Tiafoe F. | Klaasen R./McLachlan B. | 1:2 (3:6, 7:64, 6:10) | details | 29.04.2021 |
| 1/8-finals | Ferreira Silva F./Sousa P. | Monroe N./Tiafoe F. | 0:2 (4:6, 2:6) | details | 27.04.2021 |
USA: Miami - Doubles - Main |
| 1/16-finals | Monroe N./Tiafoe F. | Evans D./Skupski N. | 0:2 (64:7, 2:6) | details | 27.03.2021 |
Australia: Australian Open - Doubles - Main |
| 1/8-finals | Monroe N./Tiafoe F. | Daniell M./Oswald P. | 0:2 (3:6, 5:7) | details | 14.02.2021 |
| 1/16-finals | Monroe N./Tiafoe F. | Pospisil V./Shapovalov D. | 2:1 (2:6, 7:69, 6:2) | details | 13.02.2021 |
| 1/32-finals | Granollers M./Zeballos H. | Monroe N./Tiafoe F. | 0:2 (5:7, 4:6) | details | 11.02.2021 |
Australia: Melbourne (Murray River Open) - Doubles - Main |
| 1/8-finals | Melo M./Tecau H. | Monroe N./Tiafoe F. | 2:0 (7:66, 6:2) | details | 05.02.2021 |
| 1/16-finals | Kyrgios N./Reid M. | Monroe N./Tiafoe F. | 0:2 (5:7, 4:6) | details | 02.02.2021 |
USA: Delray Beach - Doubles - Main |
| Quarter-finals | Monroe N./Tiafoe F. | McDonald M./Paul T. | 0:2 (3:6, 1:6) | details | 10.01.2021 |
| 1/8-finals | Bambridge L./Inglot D. | Monroe N./Tiafoe F. | 1:2 (6:3, 3:6, 4:10) | details | 07.01.2021 |
USA: Atlanta - Doubles - Main |
| 1/8-finals | Arevalo M./Reyes-Varela M. A. | Monroe N./Tiafoe F. | 2:0 (6:3, 6:4) | details | 24.07.2019 |