Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Antalya | 2019/03/14 07:15 | Dimitar Kuzmanov v Felipe Meligeni Rodrigues Alves | 6-2,2-6,5-7 |
| ITF M15 Antalya | 2019/03/12 11:00 | Dimitar Kuzmanov v Bogdan Ionut Apostol | 6-2,6-1 |
| Challenger Bangkok 1A | 2019/02/21 03:00 | Dimitar Kuzmanov v James Duckworth | 3-6,1-6 |
| Challenger Bangkok | 2019/02/13 03:00 | Yuichi Sugita v Dimitar Kuzmanov | 6-4,6-4 |
| Challenger Bangkok | 2019/02/12 03:00 | Evgeny Tyurnev v Dimitar Kuzmanov | 3-6,1-6 |
| ATP Sofia | 2019/02/05 16:00 | Robin Haase v Dimitar Kuzmanov | 6-2,6-4 |
| Challenger Rennes | 2019/01/21 18:40 | Manuel Guinard v Dimitar Kuzmanov | 3-6,6-3,6-4 |
| ITF M15 Bressuire | 2019/01/16 10:00 | Dimitar Kuzmanov v Artem Dubrivnyy | 6-7,6-7 |
| ITF M25 Trento | 2019/02/27 13:50 | Artem Dubrivnyy v Alexander Erler | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2019/02/08 08:00 | Michiel de Krom v Alexander Erler | 6-4,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/07 12:30 | Vit Kopriva v Alexander Erler | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2019/02/05 08:00 | Alexander Erler v Vladyslav Manafov | 4-6,6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2019/01/30 08:00 | Chun Hsin Tseng v Alexander Erler | 7-6,6-2 |
| ITF M25 Nussloch | 2019/01/26 14:05 | Alexander Erler v Botic Van De Zandschulp | 3-6,3-6 |
| ITF M25 Nussloch | 2019/01/25 13:00 | Tobias Simon v Alexander Erler | 4-6,6-7 |
| ITF M25 Nussloch | 2019/01/24 09:30 | Alexander Erler v Marc-Andrea Huesler | 5-7,6-4,6-4 |