Stadium: Court 20 Round: 25 Ground: Clay
| ITF M15 Antalya | 2019/05/09 07:15 | Denis Klok v Mircea-Alexandru Jecan | 6-4,6-4 |
| ITF M15 Antalya | 2021/10/27 09:35 | Mircea-Alexandru Jecan v Calin Manda | 4-6,3-6 |
| ITF M15 Antalya | 2021/10/15 07:00 | Jack Pinnington Jones v Mircea-Alexandru Jecan | 6-0,6-1 |
| ITF M15 Antalya | 2021/10/14 09:55 | Vladimir Korolev v Mircea-Alexandru Jecan | 1-6,3-6 |
| ITF M15 Antalya | 2021/10/13 09:10 | Marsel Ilhan v Mircea-Alexandru Jecan | 4-6,6-3,5-7 |
| Challenger Napoli | 2021/10/04 10:40 | Raul Brancaccio v Mircea-Alexandru Jecan | 6-2,6-2 |
| Challenger Sibiu | 2021/09/26 10:45 | Mircea-Alexandru Jecan v Nicholas David Ionel | 2-6,4-6 |
| Challenger Istanbul | 2021/09/12 09:55 | Geoffrey Blancaneaux v Mircea-Alexandru Jecan | 7-5,6-2 |
| Challenger Banja Luka | 2021/09/06 11:35 | David Poljak v Mircea-Alexandru Jecan | 6-3,6-4 |
| ITF M15 Antalya | 2021/10/27 11:35 | Marlon Vankan v Denis Klok | 6-0,6-0 |
| ITF M15 Antalya | 2021/10/18 12:45 | Denis Klok v Radovan Michalik | 1-6,0-6 |
| ITF M15 Antalya | 2021/10/17 07:00 | Denis Klok v Sven Corbinais | 6-4,6-4 |
| ITF M15 Antalya | 2021/10/12 07:00 | Lukas Palovic v Denis Klok | 4-6,6-0,6-3 |
| ITF M25 Skopje | 2021/09/28 11:15 | Denis Klok v Andrey Chepelev | 2-6,1-6 |
| ITF M15 Pirot | 2021/09/23 08:00 | Denis Klok v Kristijan Juhas | 1-6,0-6 |
| ITF M15 Zlatibor | 2021/09/14 09:30 | Denis Klok v Lukas Palovic | 3-6,3-6 |
| ITF M25 Denia | 2021/07/25 08:00 | Denis Klok v Lorenzo Joaquin Rodriguez | 6-7,1-6 |