Stadium: K Round: 26 Ground: Carpet indoor
| ITF Germany F1 | 2016/01/14 15:00 | Boltz, Sebastien v Petr Michnev | 1-6,7-6,1-6 |
| ITF Tunisia F9 | 2015/03/12 13:35 | Boltz, Sebastien v Petr Michnev | 6-3,2-6,6-3 |
| ITF Germany F3 | 2018/01/31 14:50 | Boltz, Sebastien v Diarra, Gibril | 6-2,6-1 |
| ITF Germany F3 Qual | 2018/01/29 15:05 | Boltz, Sebastien v Lang, Robin | 6-1,6-1 |
| ITF Germany F3 Qual | 2018/01/28 10:30 | Boltz, Sebastien v Boulais, Justin | 6-1,6-4 |
| ITF France F2 | 2018/01/18 12:40 | Boltz, Sebastien v Reboul, Fabien | 2-6,1-6 |
| ITF France F2 | 2018/01/16 10:00 | Juan Pablo Paz v Boltz, Sebastien | 0-6,3-6 |
| ITF Germany F1 | 2018/01/11 11:00 | Authom, Maxime v Boltz, Sebastien | 6-4,6-4 |
| ITF Germany F1 | 2018/01/09 12:25 | Boltz, Sebastien v Albano Olivetti | 3-6,7-5,6-3 |
| ITF Estonia F3 | 2017/11/03 11:20 | Tyurnev, Evgeny v Boltz, Sebastien | 6-7,6-1,6-4 |
| Czech Extraliga, Men | 2017/12/20 12:00 | Petr Michnev v Norbert Gombos | 3-6,3-6 |
| Czech Extraliga, Men | 2017/12/18 09:00 | Petr Michnev v Schmid, Michal | 6-2,7-6 |
| Czech Extraliga, Men | 2017/12/16 09:00 | Petr Michnev v Krstev, Ondrej | 3-6,6-3,6-4 |
| ITF Czech Republic F12 | 2017/12/03 09:00 | Petr Michnev v Constant Lestienne | 3-6,3-6 |
| ITF Czech Republic F12 | 2017/12/02 10:30 | Louis Wessels v Petr Michnev | 4-6,4-6 |
| ITF Czech Republic F12 | 2017/12/01 10:40 | Petr Michnev v Petr Nouza | 7-5,6-4 |
| ITF Czech Republic F12 | 2017/11/30 14:50 | Petr Michnev v Yanais Laurent | 6-4,6-4 |
| ITF Czech Republic F12 | 2017/11/29 13:20 | Petr Michnev v Diaz-Figueroa, Christopher | 6-2,6-2 |