Round: 44 Ground: Hardcourt outdoor
| ITF Bulgaria F1 Qual | 2017/05/07 09:00 | Grozdanov, Tihomir v Dokov, Lazar | 6-3,6-2 |
| ITF Croatia F3 | 2017/03/18 08:00 | Grozdanov, Tihomir v Oreskovic, Z. | 6-4,6-4 |
| ITF Croatia F2 | 2017/03/13 13:30 | Brunner, Pascal v Grozdanov, Tihomir | 6-3,6-0 |
| ITF Croatia F2 | 2017/03/13 08:30 | Grozdanov, Tihomir v Paul Woerner | 6-7,6-1,7-6 |
| ITF Croatia F2 | 2017/03/11 10:00 | Grozdanov, Tihomir v Obal, Patrik | 7-5,6-1 |
| ITF Bulgaria F1 | 2016/05/20 08:00 | Grozdanov, Tihomir v Lazov, Alexander | 3-6,1-6 |
| ITF Bulgaria F1 | 2016/05/19 09:15 | Grozdanov, Tihomir v Harajchi, Aria | 6-4,6-2 |
| ITF Bulgaria F1 | 2016/05/18 10:05 | Pavlov, Anton v Grozdanov, Tihomir | 6-2,4-6,0-6 |
| ITF Bulgaria F1 Qual | 2017/05/07 07:00 | Atanasov, Martin v Bankov, Evgeniy | 6-3,6-3 |
| ITF France F10 Qual | 2017/04/29 10:45 | Faivre, Pierre v Atanasov, Martin | 6-4,6-2 |
| ITF Croatia F3 | 2017/03/18 13:00 | Zsombor Piros v Atanasov, Martin | 6-1,6-4 |
| ITF Croatia F1 | 2017/03/05 08:00 | Atanasov, Martin v Divkovic, Karlo | 2-6,3-6 |
| ITF Greece F11 | 2016/11/20 08:00 | Michalis Sakellaridis v Atanasov, Martin | 6-2,6-2 |
| ITF Greece F10 Qual | 2016/11/12 07:00 | Atanasov, Martin v Kaplja, Aljaz Jakob | 2-6,0-6 |
| ITF Spain F10 Qual | 2016/04/16 12:00 | Atanasov, Martin v Manrique-Velazquez, Diego-Jose | 1-6,2-6 |
| ITF Bulgaria F1 Qual | 2015/06/07 07:00 | Gabriel Donev v Atanasov, Martin | 6-2,6-2 |