Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/06/13 07:30 | 이, 관이 v Kolisnyk, Olexiy | 5-7,6-7 |
| ITF M15 Novomoskovsk | 2021/05/31 07:00 | 리아오넨카, 알리아크산들 v Kolisnyk, Olexiy | 3-6,6-3,10-8 |
| ITF M15 Novomoskovsk | 2021/05/30 06:15 | Kolisnyk, Olexiy v 알칼드, 주안 이그나시오 | 6-3,6-4 |
| ITF M15 Novomoskovsk | 2021/05/24 12:00 | Kolisnyk, Olexiy v 즈기로브스키, 알렉산더 | 7-6,2-6,8-10 |
| ITF M15 Novomoskovsk | 2021/05/23 08:00 | Kolisnyk, Olexiy v 보이추크, 로만 | 6-4,2-6,10-8 |
| ITF M15 Cairo | 2021/05/05 11:00 | Pereira, Jose v Kolisnyk, Olexiy | 7-5,6-0 |
| ITF M15 Cairo | 2021/05/04 08:00 | 질, 펠릭스 v Kolisnyk, Olexiy | 1-6,3-6 |
| ITF M15 Cairo | 2021/05/03 09:00 | 시에드 나구이브, 시에드 모드 아질 v Kolisnyk, Olexiy | 1-6,1-6 |
| ITF M15 Antalya | 2021/06/13 07:30 | Anton Semenov v Elbert Barr | 6-1,6-4 |
| ITF M15 Antalya | 2021/06/09 09:05 | Lama, Gonzalo v Anton Semenov | 6-2,6-3 |
| ITF M15 Antalya | 2021/05/31 10:30 | Anton Semenov v Rodriguez, Lorenzo Joaquin | 1-6,2-6 |
| ITF M15 Antalya | 2021/05/25 07:00 | 워에르너, 파울 v Anton Semenov | 6-1,6-3 |