| ITF Egypt F14 | 2017/04/19 08:00 | Olexiy Kolisnyk v Filip Duda | 6-4,5-7,6-3 |
| ITF M25 Most | 2021/05/26 08:00 | Filip Duda v Pavel Nejedly | 4-6,2-6 |
| ITF M25 Most | 2021/05/25 09:35 | Filip Duda v Stepan Mruzek | 2-6,6-4,10-5 |
| ITF M25 Most | 2021/05/24 09:00 | Filip Duda v Jakub Nicod | 6-3,6-1 |
| ITF M25 Most | 2021/05/23 15:00 | Filip Duda v Dominique Graf | 6-4,6-4 |
| ITF M25 Jablonec Nad Nisou | 2021/05/18 07:30 | Jean Thirouin v Filip Duda | 3-6,6-4,10-7 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 08:30 | Antonin Bolardt v Filip Duda | 0-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 10:00 | Krystof Zapsky v Filip Duda | 6-4,3-6,9-11 |
| ITF M25 Prague | 2021/05/11 14:15 | Thai-Son Kwiatkowski v Filip Duda | 6-3,6-1 |
| ITF M15 Novomoskovsk | 2021/05/24 12:00 | Olexiy Kolisnyk v Alexander Zgirovsky | 7-6,2-6,8-10 |
| ITF M15 Novomoskovsk | 2021/05/23 08:00 | Olexiy Kolisnyk v Roman Boychuk | 6-4,2-6,10-8 |
| ITF M15 Cairo | 2021/05/05 11:00 | Jose Pereira v Olexiy Kolisnyk | 7-5,6-0 |
| ITF M15 Cairo | 2021/05/04 08:00 | Felix Gill v Olexiy Kolisnyk | 1-6,3-6 |
| ITF M15 Cairo | 2021/05/03 09:00 | Syed Mohd Agil Syed Naguib v Olexiy Kolisnyk | 1-6,1-6 |
| ITF M15 Cairo | 2021/05/02 10:00 | Olexiy Kolisnyk v Yuichiro Inui | 6-4,6-3 |
| ITF M15 Cairo | 2021/04/26 08:00 | Olexiy Kolisnyk v Gian Marco Ortenzi | 4-6,4-6 |
| ITF M15 Cairo | 2021/04/25 12:30 | Leonardo Rossi v Olexiy Kolisnyk | 5-7,6-1,2-10 |