Stadium: Court 8 Round: 62 Ground: Clay
| Challenger - Praga - Calificari | 2017/07/22 09:20 | Lenny Hampel v Lukas Vejvara | 6-0,6-1 |
| ITF Austria F3 | 2017/07/15 07:00 | Lukas Vejvara v Gilbert S K Junior | 6-2,0-6,5-7 |
| ITF Czech Republic F5 | 2017/07/10 14:45 | Petr Nouza v Lukas Vejvara | 6-0,6-4 |
| ITF Czech Republic F5 Qual | 2017/07/09 09:00 | Lukas Vejvara v Ivan Yatsuk | 7-5,6-4 |
| ITF Czech Republic F5 Qual | 2017/07/08 08:00 | Lukas Vejvara v Dylan Scott | 6-2,6-0 |
| ITF Czech Republic F4 | 2017/07/05 08:00 | Jan Poskocil v Lukas Vejvara | 6-0,6-3 |
| ITF Czech Republic F4 | 2017/07/04 08:00 | Lukas Vejvara v Andriej Kapas | 6-4,7-5 |
| ITF Germany F4 | 2017/06/20 09:00 | Felipe M Sarrasague v Lukas Vejvara | 6-3,3-6,6-2 |
| ITF Slovakia F2 | 2017/07/30 09:00 | Nikolas Lahky v Christian Oliveira | 1-6,2-6 |
| ITF Czech Republic F6 Qual | 2017/07/16 12:55 | Vitaliy Sachko v Nikolas Lahky | 6-3,6-1 |
| ITF Czech Republic F6 Qual | 2017/07/16 08:00 | Lazar Vojinovic v Nikolas Lahky | 2-6,6-2,3-6 |
| ITF Czech Republic F5 Qual | 2017/07/08 13:15 | David Juras v Nikolas Lahky | 6-1,2-6,6-4 |
| ITF Czech Republic F5 Qual | 2017/07/08 08:00 | Pietro Mugelli v Nikolas Lahky | 0-6,2-6 |
| ITF Czech Republic F4 Qual | 2017/07/02 08:00 | Vitaliy Sachko v Nikolas Lahky | 6-0,6-3 |
| ITF Italy F32 | 2016/10/08 07:30 | Nikolas Lahky v Zeljko Milovic | 2-6,2-6 |
| ITF Slovakia F3 | 2016/08/08 07:30 | Petr Hajek v Nikolas Lahky | 6-2,6-4 |