Stadium: Centre Court Round: 62
| ITF Turkey F14 | 2017/04/08 07:00 | Andrey Chepelev v Piotr Grynkowski | 6-4,6-3 |
| ITF Turkey F13 | 2017/04/03 08:00 | Piotr Grynkowski v Jordi Walder | 1-6,6-4,5-7 |
| ITF Turkey F13 | 2017/04/02 07:30 | Piotr Grynkowski v Philip Sikman | 7-5,6-2 |
| ITF Turkey F7 | 2017/02/19 06:30 | Piotr Grynkowski v Pavel Krainik | 1-6,4-6 |
| ITF Turkey F6 | 2017/02/12 07:00 | Domagoj Biljesko v Piotr Grynkowski | 6-4,6-4 |
| ITF Turkey F6 | 2017/02/11 06:00 | Piotr Grynkowski v Kevin Lynch | 6-2,4-6,6-2 |
| ITF Turkey F42 | 2016/10/17 07:30 | Volodymyr Uzhylovskyi v Piotr Grynkowski | 6-4,6-2 |
| ITF Turkey F42 | 2016/10/16 07:30 | Polat Gulcur v Piotr Grynkowski | 1-6,6-7 |
| ITF USA F30 | 2016/09/24 18:00 | Maximilian Kaiser v Mousheg Hovhannisyan | 1-6,1-6 |
| ITF USA F29 | 2016/09/19 18:30 | Nicolas Moreno De Alboran v Maximilian Kaiser | 7-5,6-2 |
| ITF USA F29 | 2016/09/18 17:00 | Maximilian Kaiser v Boris Kozlov | 6-3,1-6,6-3 |
| ITF Germany F9 | 2016/07/31 08:00 | Maximilian Kaiser v Yannick Stephan Born | 3-6,2-6 |
| ITF Czech Republic F2 Qual | 2016/05/15 10:00 | Maximilian Kaiser v Filip Duda | 3-6,3-6 |
| ITF Egypt F33 | 2015/11/01 11:30 | Maximilian Kaiser v Dmytro Ishtuganov | 6-7,6-4,3-6 |
| ITF Egypt F33 | 2015/10/19 15:45 | Harrison Lombe v Maximilian Kaiser | 6-3,6-4 |
| ITF Egypt F33 | 2015/10/18 08:00 | Maximilian Kaiser v Mark-Flavius Andres | 3-6,6-1,6-1 |