Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/10/04 09:00 | Mayeul Darras v Jan Dimitrijevic | 6-2,6-1 |
| ITF M15 Monastir | 2021/10/03 09:00 | Fabian Hansch Mauritzson v Jan Dimitrijevic | 6-4,3-6,5-10 |
| UTR Pro Tennis Series Portoroz | 2021/08/28 08:30 | Timur Maulenov v Jan Dimitrijevic | 7-5,3-6,7-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 13:15 | Timur Maulenov v Jan Dimitrijevic | 6-4,6-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/18 11:00 | Jan Dimitrijevic v Petar Pjevcevic | 2-6,6-7 |
| UTR Pro Tennis Series Portoroz | 2021/08/17 12:30 | Jan Dimitrijevic v Oleksandr Bielinskyi | 2-6,2-6 |
| ITF M25 Velenje | 2021/07/06 12:55 | Jan Dimitrijevic v Gonzalo Lama | 0-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/10/26 09:00 | Pijus Vaitiekunas v Ali Habib | 4-6,6-4,9-11 |
| ITF M15 Sharm El Sheikh | 2021/10/25 10:30 | Pijus Vaitiekunas v Seth Seely | 6-1,6-3 |
| ITF M15 Sharm El Sheikh | 2021/10/24 13:30 | Roland Stuurman v Pijus Vaitiekunas | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2021/10/20 09:05 | Pijus Vaitiekunas v Haoyuan Huang | 5-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/10/19 07:30 | Astur Martinez Irigoyen v Pijus Vaitiekunas | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/10/18 07:00 | Dennis Dragomirov v Pijus Vaitiekunas | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/10/17 08:00 | Pijus Vaitiekunas v Roman Nashatyrkin | 3-6,6-4,10-3 |
| ITF M15 Sharm El Sheikh | 2021/10/12 07:30 | Biagio Gramaticopolo v Pijus Vaitiekunas | 3-6,6-2,10-6 |