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