Stadium: Court 3 Round: 54 Ground: Clay
| ITF M15 Sarreguemines | 2020/10/26 15:35 | Kai Lemstra v Karlo Cubelic | 4-6,7-5,8-10 |
| ITF M15 Forbach | 2020/09/30 08:30 | Kai Lemstra v Alexander Erler | 3-6,2-6 |
| ITF M15 Forbach | 2020/09/28 15:45 | Kai Lemstra v Niklas Schell | 6-4,7-6 |
| ITF M15 Anif | 2020/08/26 14:40 | Karlis Ozolins v Kai Lemstra | 7-5,6-3 |
| ITF M15 Anif | 2020/08/24 12:50 | Kai Lemstra v Benedikt Emesz | 6-1,6-2 |
| ITF M15 Anif | 2020/08/23 12:00 | Kirill Kivattsev v Kai Lemstra | 6-7,3-6 |
| ITF M15 Sharm El Sheikh | 2020/03/11 11:40 | Francesco Vilardo v Kai Lemstra | 6-4,6-7,7-5 |
| ITF M15 Trnava | 2020/02/27 12:10 | Kai Lemstra v Aldin Setkic | 3-6,3-6 |
| ITF Slovakia F3 | 2018/08/06 08:00 | Patrik Jancovic v Barnaby Smith | 1-6,4-6 |
| ITF Slovakia F2 | 2018/07/29 09:00 | Patrik Jancovic v Daniel Rabas | 4-6,2-6 |
| ITF Slovakia F1 | 2018/07/22 08:00 | Patrik Jancovic v Jiri Jenicek | 2-6,0-6 |
| ITF Czech Republic F6 Qual | 2018/07/07 07:30 | Patrik Jancovic v David Damian Brna | 4-6,2-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Patrik Jancovic v Samuel Puskar | 7-5,5-7,2-6 |
| ITF Turkey F35 | 2017/09/16 11:00 | Kerim Han Bilgin v Patrik Jancovic | 7-6,6-1 |
| ITF Turkey F34 | 2017/09/09 10:30 | Emmanuel Luria v Patrik Jancovic | 6-3,6-4 |
| ITF Hungary F8 Qual | 2017/09/03 07:30 | Patrik Jancovic v Marcell Bartakovics | 4-6,3-6 |