Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Liberec Qual | 2017/07/30 11:10 | Lazov, Alexander v Roman Safiullin | 6-4,4-6,3-6 |
| Challenger Liberec Qual | 2017/07/29 13:10 | Lazov, Alexander v Vucic, Ilija | 5-7,7-6,6-0 |
| ITF Romania F5 | 2017/06/29 10:45 | Lazov, Alexander v Apostol, Bogdan Ionut | 5-7,2-6 |
| ITF Romania F5 | 2017/06/28 07:00 | Lazov, Alexander v Botezan, George | 6-1,6-2 |
| ITF Romania F3 | 2017/06/15 08:40 | Lazov, Alexander v Petrone, Alessandro | 4-6,6-4,6-7 |
| ITF Romania F3 | 2017/06/13 07:00 | Lazov, Alexander v Borza, Bogdan | 7-6,6-3 |
| ITF Italy F15 | 2017/05/30 13:10 | Langer, Nils v Lazov, Alexander | 6-0,6-4 |
| ATP Lyon Qual | 2017/05/20 15:55 | Nicolas Kicker v Lazov, Alexander | 6-3,6-4 |
| ITF Switzerland F3 Qual | 2017/08/13 09:35 | Ceppellini, Alessandro v Douglas, Jake | 6-3,1-6,1-6 |
| ITF Switzerland F3 Qual | 2017/08/12 09:00 | Douglas, Jake v Mischa Lanz | 6-2,6-1 |
| ITF Switzerland F3 Qual | 2017/08/12 07:00 | Douglas, Jake v Guichoud, Maxime | 6-1,6-2 |
| ITF Canada F4 | 2017/07/05 16:30 | Douglas, Jake v Halebian, Alexios | 3-6,4-6 |
| ITF USA F1 Qual | 2016/12/31 16:00 | Douglas, Jake v Lucas Renard | 6-7,4-6 |
| ITF USA F37 | 2016/11/11 20:30 | Douglas, Jake v Rakic, Strahinja | 6-1,2-6,5-7 |
| USA F34, Singles | 2016/10/22 20:00 | Ton, Andrew v Douglas, Jake | 7-6,0-6,6-2 |
| ITF USA F29 | 2016/09/21 17:00 | Redlicki, Martin v Douglas, Jake | 6-0,6-3 |