Stadium: Hard Court 2 Round: 27 Ground: Hardcourt outdoor
| ATP Vienna | 2019/10/19 09:00 | Cameron Norrie v Alexander Erler | 6-4,6-2 |
| ITF M25 Norman | 2019/10/02 16:20 | Alexander Cozbinov v Alexander Erler | 7-6,3-6,6-4 |
| ITF M25 Harlingen | 2019/09/26 01:40 | Alexander Erler v Logan Smith | 1-6,3-6 |
| ITF M25 Harlingen | 2019/09/25 18:30 | Alexander Erler v Logan Smith | 1-6,3-5 |
| Challenger Columbus 3 | 2019/09/18 18:50 | Alexander Erler v Mikael Torpegaard | 2-6,7-6,1-6 |
| Challenger Columbus 3 | 2019/09/17 15:40 | Colin Sinclair v Alexander Erler | 5-7,6-7 |
| Challenger Banja Luka | 2019/09/10 08:00 | Camilo Ugo Carabelli v Alexander Erler | 6-4,3-6,6-3 |
| ITF M25 Trieste | 2019/09/07 14:30 | Juan Pablo Varillas v Alexander Erler | 6-7,6-1,6-4 |
| ITF M15 Burgas | 2019/10/09 09:00 | Vasko Mladenov v Nikita Mashtakov | 4-6,7-6,6-4 |
| ITF M15 Chornomorsk | 2019/09/28 07:30 | Nikita Mashtakov v Vitaliy Sachko | 3-6,5-7 |
| ITF M15 Chornomorsk | 2019/09/27 12:15 | Oleksii Krutykh v Nikita Mashtakov | 5-7,2-6 |
| ITF M15 Chornomorsk | 2019/09/26 07:30 | Alexander Ovcharov v Nikita Mashtakov | 4-6,0-6 |
| ITF M15 Chornomorsk | 2019/09/25 11:15 | Aleksandr Braynin v Nikita Mashtakov | 3-6,7-5,3-6 |
| ITF M15 Targu Mures | 2019/09/20 08:45 | Bogdan Ionut Apostol v Nikita Mashtakov | 6-4,6-3 |
| ITF M15 Targu Mures | 2019/09/19 10:30 | Kuzey Cekirge v Nikita Mashtakov | 0-6,4-6 |
| ITF M15 Targu Mures | 2019/09/18 07:30 | Cezar Cretu v Nikita Mashtakov | 6-4,3-6,3-6 |