Round: 25 Ground: Carpet indoor
| ITF Czech Republic F4 Qual | 2016/06/26 08:00 | Nejedly, Pavel v Vejvara, Lukas | 4-6,6-7 |
| ITF Germany F4 | 2016/06/19 09:00 | Kekercheni, Filipp v Vejvara, Lukas | 6-1,7-6 |
| ITF Germany F4 | 2016/06/18 08:00 | Vejvara, Lukas v Gabriele Moghini | 6-2,6-2 |
| ITF Netherlands F1 | 2016/06/14 12:20 | Yann Marti v Vejvara, Lukas | 6-2,6-2 |
| ITF Netherlands F1 Qual | 2016/06/13 08:00 | Michiel de Krom v Vejvara, Lukas | 2-6,2-6 |
| ITF Netherlands F1 Qual | 2016/06/11 08:00 | Sardella, Edoardo v Vejvara, Lukas | 1-6,4-6 |
| ITF Czech Republic F3 | 2016/05/26 08:30 | Safranek, Vaclav v Vejvara, Lukas | 6-2,6-0 |
| ITF Czech Republic F3 | 2016/05/24 10:10 | Vejvara, Lukas v Semjan, Marek | 6-4,6-4 |
| ITF Netherlands F2 | 2016/06/23 13:15 | Tim Van Rijthoven v Mertl, Jan | 6-3,3-6,6-4 |
| ITF Netherlands F2 | 2016/06/22 08:00 | Tom Schonenberg v Mertl, Jan | 4-6,2-6 |
| Challenger Poprad Tatry | 2016/06/14 11:35 | Mertl, Jan v Gerald Melzer | 1-6,2-6 |
| Challenger Poprad Tatry Qual | 2016/06/11 14:30 | Mertl, Jan v Nejedly, Pavel | 6-1,6-0 |
| ATP Stuttgart Qual | 2016/06/04 13:55 | Stakhovsky, Sergiy v Mertl, Jan | 6-4,3-6,6-1 |
| ITF Czech Republic F3 | 2016/05/28 08:30 | Hubert Hurkacz v Mertl, Jan | 6-4,6-3 |
| ITF Czech Republic F3 | 2016/05/27 10:55 | Mertl, Jan v Nema, Patrik | 6-2,7-5 |
| ITF Czech Republic F3 | 2016/05/26 13:05 | Mertl, Jan v Krstev, Ondrej | 6-2,6-1 |