Round: 44 Ground: Clay
| ITF M15 Prijedor | 2021/05/09 09:30 | Preston Connor v Tomislav Jotovski | 0-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/04/07 07:30 | Paul Jubb v Preston Connor | 6-0,6-0 |
| ITF M15 Sharm El Sheikh | 2021/03/28 07:30 | Andrew Paulson v Preston Connor | 6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2021/03/21 07:00 | Zura Tkemaladze v Preston Connor | 6-1,6-0 |
| ITF M15 Sharm El Sheikh | 2021/03/14 07:00 | Giovanni Agostinetto v Preston Connor | 6-0,6-3 |
| ITF M15 Sharm El Sheikh | 2021/03/07 07:00 | Arvid Nordquist v Preston Connor | 6-0,6-0 |
| ITF M15 Sharm El Sheikh | 2021/03/03 11:15 | Saba Purtseladze v Preston Connor | 6-1,6-0 |
| ITF M15 Sharm El Sheikh | 2021/02/21 06:30 | Luca Potenza v Preston Connor | 6-0,6-0 |
| ITF M15 Prijedor | 2021/05/10 09:15 | Dusan Rajic v Lazar Milicevic | 2-6,2-6 |
| ITF M15 Prijedor | 2021/05/09 09:30 | Vladan Tadic v Dusan Rajic | 3-6,4-6 |
| Eastern European Championship | 2020/07/30 11:00 | Milan Drinic v Dusan Rajic | 7-5,6-3 |
| Eastern European Championship | 2020/07/29 08:00 | Matias Zukas v Dusan Rajic | 6-3,6-4 |
| Eastern European Championship | 2020/07/28 08:00 | Cengiz Aksu v Dusan Rajic | 6-7,6-3,4-6 |
| Eastern European Championship | 2020/07/27 09:30 | Danilo Petrovic v Dusan Rajic | 6-2,6-4 |
| Eastern European Championship | 2020/07/24 12:00 | Nikola Cacic v Dusan Rajic | 7-6,7-6 |
| Eastern European Championship | 2020/07/23 09:30 | Daniil Savelev v Dusan Rajic | 2-6,3-6 |