Stadium: Court 3 Round: 25 Ground: Clay
| ATP Munich | 2019/04/27 14:00 | Prajnesh Gunneswaran v Alexander Erler | 3-6,7-6,7-5 |
| ITF M15 Tabarka | 2019/03/26 12:15 | Pedro Vives Marcos v Alexander Erler | 7-5,6-2 |
| ITF M15 Antalya | 2019/03/20 07:15 | Dimitar Kuzmanov v Alexander Erler | 6-0,6-1 |
| 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 M15 Karlskrona | 2019/05/08 09:55 | Vladimir Ivanov v George Botezan | 1-6,6-7 |
| ITF M25 Shymkent | 2019/04/17 06:00 | Vladimir Ivanov v Sergey Fomin | 1-6,2-6 |
| ITF M25 Shymkent | 2019/04/10 07:00 | Grigoriy Lomakin v Vladimir Ivanov | 6-7,7-5,6-2 |
| ITF M25 Bolton | 2019/04/01 14:50 | Vladimir Ivanov v George Houghton | 7-5,6-7,6-10 |
| ITF M25 Bolton | 2019/04/01 09:55 | Vladimir Ivanov v Harry Meehan | 1-6,6-4,12-10 |
| ITF M25 Kazan | 2019/03/13 11:25 | Ben Patael v Vladimir Ivanov | 6-1,6-2 |
| ITF M25 Kazan | 2019/03/12 07:00 | Vladimir Ivanov v Martin Borisiouk | 6-3,6-1 |
| ITF M25 Kazan | 2019/03/11 09:05 | Vladimir Ivanov v Aliaksandr Liaonenka | 7-5,6-3 |