| ATP Cup MD | 01/06 03:45 | 3 | Evans/Murray v Fritz/Isner | 6-7,7-5,10-8 | |
| ATP Cup MD | 01/06 03:45 | 3 | Murray/Salisbury v Fritz/Isner | CANC | |
| ATP Cup MD | 01/04 04:25 | 3 | Krawietz/Puetz v Fritz/Isner | 0-6,3-6 | |
| ATP Cup MD | 01/02 03:40 | 3 | Auger Aliassime/Shapovalov v Fritz/Isner | 4-6,4-6 | |
| ATP Miami MD | 03/29 19:20 | 26 | Fritz/Isner v Mektic/Pavic | 4-6,4-6 | |
| ATP Miami MD | 03/25 15:00 | 25 | Fritz/Isner v Bublik/Mannarino | 7-5,6-3 |