Stadium: Court 25 Round: 26 Ground: Clay
| ITF - M25 Pensacola | 2021/05/19 16:30 | Adrian Andreev v Barrientos, Nicolas | 6-4,6-2 |
| ITF - M15 Antalya | 2021/05/09 08:50 | Erler, Alexander v Adrian Andreev | 6-4,6-1 |
| ITF - M15 Antalya | 2021/05/08 07:30 | Ehrat, Sandro v Adrian Andreev | 1-6,7-5,3-6 |
| ITF - M15 Antalya | 2021/05/07 08:35 | Sandro Kopp v Adrian Andreev | 3-6,4-6 |
| ITF - M15 Antalya | 2021/05/06 11:40 | Gabriele Piraino v Adrian Andreev | 3-6,2-6 |
| ITF - M15 Antalya | 2021/05/05 11:40 | Louroi Martinez v Adrian Andreev | 5-7,6-7 |
| Challenger - Oeiras | 2021/04/08 10:00 | Pedro Cachin v Adrian Andreev | 6-2,6-4 |
| Challenger - Oeiras | 2021/04/06 12:00 | Chun Hsin Tseng v Adrian Andreev | 6-1,6-7,3-6 |
| ITF - M25 Pensacola | 2021/05/19 17:00 | Gomez, Alejandro v Kelly, Dayne | 4-6,4-6 |
| UTR Pro Tennis Series Canberra | 2021/04/24 01:30 | Dane Sweeny v Kelly, Dayne | 6-2,6-4 |
| UTR Pro Tennis Series Canberra | 2021/04/23 01:30 | Kelly, Dayne v Omar Jasika | 6-0,5-3 |
| UTR Pro Tennis Series Canberra | 2021/04/22 03:00 | Kelly, Dayne v Puodziunas, Scott | 6-2,6-2 |
| UTR Pro Tennis Series Canberra | 2021/04/21 00:00 | Hoole, Casey v Kelly, Dayne | 2-6,5-7 |
| UTR Pro Tennis Series Canberra | 2021/04/19 23:30 | Nikita Volonski v Kelly, Dayne | 1-6,2-6 |
| UTR Pro Tennis Series Canberra | 2021/04/18 02:00 | Li Tu v Kelly, Dayne | 6-1,3-6,5-7 |
| UTR Pro Tennis Series Canberra | 2021/04/17 05:00 | Kelly, Dayne v Tristan Schoolkate | 6-1,7-5 |