Stadium: Court 6 Round: 62 Ground: Clay
| ITF M15 Skopje | 2021/05/30 12:30 | Petr Michnev v Eskic, Relja | 6-2,6-0 |
| ITF M25 Prague | 2021/05/11 09:30 | Pavlasek, Adam v Petr Michnev | 6-4,6-2 |
| ITF M25 Prague | 2021/05/10 10:30 | Postolka, Roman v Petr Michnev | 3-6,2-6 |
| ITF M25 Prague | 2021/05/09 11:00 | Vojtech Vlkovsky v Petr Michnev | 6-2,5-7,8-10 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/20 12:40 | Vilardo, Francesco v Petr Michnev | 6-0,6-4 |
| ITF - M15 Sharm El Sheikh | 2021/03/21 09:30 | Petr Michnev v Lorenzo Rottoli | 6-4,3-6,4-10 |
| ITF - M15 Sharm El Sheikh | 2021/03/16 07:30 | Petr Michnev v Ben Jones | 6-3,2-6,4-10 |
| ITF - M15 Sharm El Sheikh | 2021/03/15 10:00 | Petr Michnev v Zura Tkemaladze | 6-4,6-4 |
| ITF M15 Skopje | 2021/05/30 12:30 | Dmitrii Vasilev v Samuele Pieri | 4-6,4-6 |
| ITF - M15 Monastir | 2021/05/17 13:30 | Maxence Beauge v Samuele Pieri | 6-2,6-2 |
| ITF - M15 Monastir | 2021/05/16 11:00 | Alfredo Casso v Samuele Pieri | 1-6,1-6 |
| ITF - M15 Monastir | 2021/05/09 10:00 | Samuele Pieri v Fausto Tabacco | 6-4,5-7,3-10 |
| ITF - M15 Monastir | 2021/03/14 10:00 | Born, Yannick Stephan v Samuele Pieri | 6-3,3-6,10-7 |
| ITF - M15 Monastir | 2021/03/08 12:30 | Samuele Pieri v Luigi Sorrentino | 1-6,2-6 |
| ITF - M15 Monastir | 2021/03/07 12:00 | Samuele Pieri v Ernaelsteen, Victor | 6-4,6-3 |
| ITF - M15 Monastir | 2021/02/28 10:30 | Samuele Pieri v Campo, Antonio | 3-6,7-6,3-10 |