Round: 26 Ground: Clay
| ITF Czech Republic F1 | 2017/05/16 08:30 | Elmar Ejupovic v Alexandar Lazarov | 1-6,5-7 |
| ITF Hungary F1 | 2017/05/10 08:00 | Balazs, Attila v Alexandar Lazarov | 6-2,7-5 |
| ITF Croatia F3 | 2017/03/22 10:05 | Alexandar Lazarov v Naoki Nakagawa | 2-6,0-6 |
| ITF Croatia F2 | 2017/03/15 10:35 | Riba, Pere v Alexandar Lazarov | 6-2,6-3 |
| ITF Croatia F1 | 2017/03/08 10:00 | Alexandar Lazarov v Manda, Calin | 6-4,3-6,3-6 |
| Sofia, Bulgaria | 2017/02/06 16:00 | Alexandar Lazarov v Radu Albot | 6-7,2-6 |
| ITF Germany F3 | 2017/01/25 15:35 | Jaensch-Mueller, Vincent v Alexandar Lazarov | 6-0,3-6,6-4 |
| ITF Greece F11 | 2016/11/26 08:00 | Alexandar Lazarov v Sebastian Ofner | 7-6,3-6,5-7 |
| ITF Czech Republic F1 | 2017/05/16 10:00 | Lenz, Julian v Hocevar, Ricardo | 6-3,5-7,7-5 |
| ITF Czech Republic F1 Qual | 2017/05/15 12:40 | Lenz, Julian v Majchrowicz, Adam | 6-1,6-3 |
| ITF Czech Republic F1 Qual | 2017/05/14 10:30 | Lenz, Julian v Recek, Dominik | 6-3,6-2 |
| ITF USA F11 | 2017/03/21 17:00 | Austin, Gonzales v Lenz, Julian | 3-6,6-3,5-7 |
| ITF USA F10 | 2017/03/14 18:00 | Lenz, Julian v Dmitry Popko | 4-6,2-6 |
| ITF USA F9 | 2017/03/03 18:25 | Lenz, Julian v Tommy Paul | 1-6,6-1,1-6 |
| ITF USA F9 | 2017/03/02 15:00 | Genaro Alberto Olivieri v Lenz, Julian | 3-6,2-6 |
| ITF USA F9 | 2017/03/01 15:00 | Lenz, Julian v Nunez, V. | 6-1,6-4 |