| ITF Portugal F19 | 2017/09/17 10:00 | Mayer, Patrick v Diogo Marques | 6-3,7-5 |
| ITF Switzerland F5 | 2017/08/28 16:25 | Mayer, Patrick v Jacob Kahoun | 6-3,4-6,4-6 |
| ITF Switzerland F5 | 2017/08/27 10:45 | Mayer, Patrick v Paschetto, Francesco | 6-3,6-4 |
| ITF Germany F12 | 2017/08/23 08:00 | Mayer, Patrick v Haim, Matthias | 3-6,4-6 |
| ITF Germany F12 | 2017/08/21 08:00 | Schulte, Rene v Mayer, Patrick | 6-4,6-2 |
| ITF Germany F12 | 2017/08/20 08:30 | Nareyka, Bjorn v Mayer, Patrick | 1-6,3-6 |
| ITF Finland F1 Qual | 2017/07/29 09:30 | Mayer, Patrick v Taylor, Sam | 2-6,1-6 |
| ITF Belgium F6 | 2017/07/22 15:00 | Grunberger, Daniel v Mayer, Patrick | 3-6,6-1,6-1 |
| ITF Portugal F19 | 2017/09/17 10:00 | Kaster, Kaptan v Brancal, Henrique | 3-6,6-1,6-1 |
| ITF Spain F29 Qual | 2017/09/09 08:00 | Kaster, Kaptan v Lim, Harry | 6-7,3-6 |
| ITF Belgium F12 Qual | 2017/09/03 15:00 | Johnson, Hunter v Kaster, Kaptan | 6-1,6-2 |
| ITF Belgium F11 | 2017/08/26 10:30 | Zayed, Mousa Shanan v Kaster, Kaptan | 6-3,6-4 |
| ITF Belgium F10 Qual | 2017/08/20 10:40 | Kaster, Kaptan v Lim, Harry | 2-6,3-6 |
| ITF Belgium F10 Qual | 2017/08/19 08:00 | Ledger, James v Kaster, Kaptan | 2-6,6-3,6-7 |
| ITF USA F23 Qual | 2017/07/02 15:00 | Johnson, Yates v Kaster, Kaptan | 6-4,6-1 |
| ITF USA F11 Qual | 2017/03/18 16:00 | Smith, Tanner K v Kaster, Kaptan | 6-1,6-2 |