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