| US Open MD | 08/29 20:30 | 24 | Harrison/King v Altmaier/Martinez | CANC | |
| Challenger Szczecin MD | 09/11 17:55 | 26 | Andreozzi/Arribage v Altmaier/Martinez | 6-3,6-3 | |
| Challenger Seville MD | 09/04 17:30 | 26 | Goldhoff/Romboli v Altmaier/Martinez | 6-2,7-6 | |
| Challenger Sassuolo MD | 06/19 16:30 | 26 | Bondioli/Cecchinato v Altmaier/Martinez | 7-5,6-4 | |
| Challenger Antalya MD | 02/04 12:00 | 27 | FC Schwarzenberg Indoor v Altmaier/Martinez | 7-5,6-3 | |
| Challenger Antalya MD | 02/02 14:00 | - | Altmaier/Martinez v Tabilo/Varillas | View |