| Date | R | HEIM v AUSWÄRTS | - |
|---|---|---|---|
| 05/27 08:30 | 27 | Keisuke Saitoh v Marcello Serafini | Retired |
| 05/26 12:40 | 26 | Maxime Chazal v Keisuke Saitoh | 5-7,2-6 |
| 05/24 13:05 | 25 | Kiyan Santino Kasemi v Keisuke Saitoh | 0-6,1-6 |
| 05/13 08:00 | 27 | Keisuke Saitoh v Valentin Royer | 3-6,4-6 |
| 05/12 08:00 | 26 | Arthur Reymond v Keisuke Saitoh | 1-6,4-6 |
| 05/11 10:50 | 25 | Keisuke Saitoh v Cezar Cretu | 6-4,6-2 |
| 09/21 08:00 | 25 | Mariano Navone v Keisuke Saitoh | 6-2,7-6 |
| 09/13 08:00 | 44 | Keisuke Saitoh v Alexandre Aubriot | 5-7,4-6 |