Stadium: Court 2 Round: 25 Ground: Clay
| Balatonalmadi, Singles Qualifying M-ITF-HUN-02A | 2019/06/19 09:55 | Fabian Marozsan v Erler, Alexander | 6-2,6-2 |
| Kaltenkirchen, Singles Qualifying M-ITF-GER-05A | 2019/06/13 11:10 | Eriksson, Markus v Erler, Alexander | 6-0,6-7,6-4 |
| Kaltenkirchen, Singles Qualifying M-ITF-GER-05A | 2019/06/12 11:00 | Erler, Alexander v Michael Vrbensky | 6-2,6-2 |
| Kaltenkirchen, Singles Qualifying M-ITF-GER-05A | 2019/06/11 08:00 | Erler, Alexander v von Massow, George | 6-4,7-6 |
| ITF - M15 Kalmar | 2019/05/14 12:10 | Erler, Alexander v Ivanov, Vladimir | 1-6,6-2,6-7 |
| ATP - Munich | 2019/04/27 14:00 | Gunneswaran, Prajnesh v Erler, Alexander | 3-6,7-6,7-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/26 12:15 | Pedro Vives Marcos v Erler, Alexander | 7-5,6-2 |
| ITF - M15 Antalya | 2019/03/20 07:15 | Dimitar Kuzmanov v Erler, Alexander | 6-0,6-1 |
| Reggio Emilia, Singles Qualifying M-ITF-ITA-11A | 2019/06/01 09:00 | Andrea Guerrieri v Slobodchikov, Ronald | 7-5,6-2 |
| Reggio Emilia, Singles Qualifying M-ITF-ITA-11A | 2019/05/31 15:20 | Edoardo Lavagno v Slobodchikov, Ronald | 3-6,5-7 |
| Reggio Emilia, Singles Qualifying M-ITF-ITA-11A | 2019/05/31 10:10 | Alessandro Ingarao v Slobodchikov, Ronald | 3-6,3-6 |
| ITF - M15 Kalmar | 2019/05/18 11:25 | Eriksson, Markus v Slobodchikov, Ronald | 7-6,6-1 |
| ITF - M15 Kalmar | 2019/05/18 08:15 | Lakat, Florian v Slobodchikov, Ronald | 1-6,2-6 |
| ITF - M15 Kalmar | 2019/05/16 08:15 | Simon Freund v Slobodchikov, Ronald | 3-6,4-6 |
| ITF - M15 Kalmar | 2019/05/15 11:55 | Butsch, Justin v Slobodchikov, Ronald | 3-6,6-4,4-6 |
| Karlskrona, Singles Qualifying M-ITF-SWE-01A | 2019/05/12 09:15 | Eriksson, Markus v Slobodchikov, Ronald | 6-4,3-6,6-1 |