Estádio: Court 4 Round: 44 Ground: Clay
| ITF - M25 Schlieren | 2019/08/19 08:00 | Luc Hoeijmans v Tadija Radovanovic | 7-6,6-3 |
| ITF - M15 Oldenzaal | 2019/08/12 07:30 | Tim Riedel v Tadija Radovanovic | 7-6,7-5 |
| ITF - M25 Vogau | 2019/08/06 08:00 | Yvo Panak v Tadija Radovanovic | 6-7,6-2,10-4 |
| ITF - M25 Vogau | 2019/08/05 08:00 | Alexander Schager v Tadija Radovanovic | 7-5,2-6,3-10 |
| ITF - M25 Gyula | 2019/05/28 13:05 | Dusan Obradovic v Tadija Radovanovic | 6-4,6-4 |
| ITF - M25 Gyula | 2019/05/27 11:00 | Tadija Radovanovic v Igor Banicevic | 6-3,6-1 |
| ITF - M25 Prijedor | 2019/05/07 16:25 | Tadija Radovanovic v Zvonimir Oreskovic | 4-6,6-3,7-10 |
| ITF - M25 Prijedor | 2019/05/07 10:00 | Bartosz Wojnar v Tadija Radovanovic | 3-6,7-6,6-10 |
| ITF - M15 Heraklion | 2019/05/28 07:00 | Christos Keisidis v Gian Marco Ortenzi | 4-6,4-6 |
| ITF - M15 Heraklion | 2019/05/27 07:00 | Calum Puttergill v Christos Keisidis | 4-6,3-6 |
| ITF - M15 Heraklion | 2019/05/20 07:00 | Christos Keisidis v Moritz Thiem | 2-6,3-6 |
| ITF - M15 Sozopol | 2019/05/07 09:00 | Boris Pokotilov v Christos Keisidis | 6-3,3-6,10-3 |
| ITF - Bulgária F1 | 2018/05/15 07:00 | Christos Keisidis v Alexander Igoshin | 4-6,6-1,1-6 |
| ITF - Bulgária F1 | 2018/05/13 07:00 | Zlatan Palazov v Christos Keisidis | 5-7,0-6 |
| ITF Serbia F8 Qual | 2016/09/17 07:00 | Shinnosuke Hiramatsu v Christos Keisidis | 6-4,6-3 |
| ITF Serbia F7 Qual | 2016/09/11 10:00 | Borna Gojo v Christos Keisidis | 6-2,6-2 |