Stadium: Court 2 Round: 14 Ground: Clay
| ITF M15 Antalya | 2021/06/24 07:00 | Mircea-Alexandru Jecan v Lorenzo Joaquin Rodriguez | 2-6,2-6 |
| ITF M15 Antalya | 2021/06/23 13:40 | Mircea-Alexandru Jecan v Vladimir Korolev | 6-2,6-2 |
| ITF M15 Antalya | 2021/06/14 07:30 | Mircea-Alexandru Jecan v Francisco Llanes | 2-6,6-7 |
| ITF M15 Antalya | 2021/06/13 07:30 | Mircea-Alexandru Jecan v Franco Roncadelli | 6-4,6-2 |
| ITF M15 Antalya | 2021/06/11 06:55 | Francisco Comesana v Mircea-Alexandru Jecan | 2-6,6-1,6-2 |
| ITF M15 Antalya | 2021/06/10 07:00 | Fermin Tenti v Mircea-Alexandru Jecan | 3-6,6-4,2-6 |
| ITF M15 Antalya | 2021/06/09 07:00 | Buvaysar Gadamauri v Mircea-Alexandru Jecan | 3-6,4-6 |
| ITF M15 Bucharest | 2021/05/25 14:00 | Pol Toledo Bague v Mircea-Alexandru Jecan | 7-5,6-1 |
| ITF M25 Wroclaw | 2021/06/29 13:25 | Uladzimir Ignatik v David Poljak | 6-0,6-2 |
| ITF M15 Bergamo | 2021/06/22 15:50 | David Poljak v Dali Blanch | 2-6,6-3,3-6 |
| Challenger Prostejov | 2021/06/15 09:35 | Alex Molcan v David Poljak | 6-3,6-3 |
| Challenger Prostejov | 2021/06/14 08:30 | Johannes Haerteis v David Poljak | 5-7,3-6 |
| Challenger Prostejov | 2021/06/13 09:00 | David Poljak v Sem Verbeek | 6-3,6-3 |
| ITF M15 Monastir | 2021/05/25 08:30 | David Poljak v Naoki Nakagawa | 6-7,7-6,1-6 |
| ITF M15 Monastir | 2021/05/20 08:25 | David Poljak v Jeremy Beale | 6-7,1-6 |
| ITF M15 Monastir | 2021/05/18 10:20 | David Poljak v Louis Tessa | 7-6,6-4 |