Stadium: Court 1 Round: 25 Ground: Carpet indoor
| ITF Greece F5 | 2018/03/28 06:00 | Petr Michnev v Seifert, Stefan | 7-6,7-6 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/08 09:00 | Petr Michnev v Tom Schonenberg | 2-6,6-1,11-9 |
| Bad Salzdetfurth, Simples M-ITF-GER-14A | 2019/10/07 08:00 | Petr Michnev v Verstegen, Quin | 6-1,6-2 |
| ITF M25 Ricany | 2019/09/26 11:00 | Petr Michnev v Petr Nouza | 4-6,6-3,5-7 |
| ITF M25 Ricany | 2019/09/24 08:00 | Petr Michnev v Jiri Barnat | 6-0,6-2 |
| ITF M25 Ricany | 2019/09/23 10:30 | Petr Michnev v Bolardt, Antonin | 6-4,6-4 |
| ITF M15 Bratislava | 2019/08/27 08:00 | Patzanovsky, Christopher v Petr Michnev | 1-6,7-6,12-10 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Daniel Paty v Petr Michnev | 7-6,6-7,6-10 |
| ITF M15 Bratislava | 2019/08/25 11:30 | Prehn, Noah v Petr Michnev | 0-6,0-6 |
| ITF M15 Forbach | 2019/09/28 13:30 | Harold Mayot v Seifert, Stefan | 6-3,6-4 |
| ITF M15 Forbach | 2019/09/27 13:20 | Seifert, Stefan v Arthur Bouquier | 6-3,6-1 |
| ITF M15 Forbach | 2019/09/26 08:30 | Albano Olivetti v Seifert, Stefan | 4-6,6-7 |
| ITF M15 Forbach | 2019/09/24 11:20 | Seifert, Stefan v Glvac, Andrej | 6-0,6-2 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/19 07:30 | Yanki Erel v Seifert, Stefan | 6-2,6-0 |
| Pajulahti, Singles M-ITF-FIN-02A | 2019/09/17 14:25 | Seifert, Stefan v Ryan Nijboer | 6-3,6-4 |
| ITF M15 Haren | 2019/08/30 12:30 | Seifert, Stefan v Eisinga, Zachary | 5-7,6-3,3-6 |
| ITF M15 Haren | 2019/08/29 10:40 | Kristjan Tamm v Seifert, Stefan | 3-6,3-6 |