Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| 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 M25 Trieste | 2019/09/06 12:00 | Tom Kocevar-Desman v Alexander Erler | 1-6,0-6 |
| ITF M25 Trieste | 2019/09/05 12:15 | Alexander Erler v Sandro Ehrat | 6-2,7-5 |
| ITF M25 Trieste | 2019/09/04 12:50 | Alexander Erler v Gregorio Lulli | 3-6,6-2,6-3 |
| ITF M25 Trieste | 2019/09/03 13:45 | Adam Pavlasek v Alexander Erler | 3-6,3-6 |
| ITF M25 Schlieren | 2019/08/22 11:55 | Jakub Paul v Alexander Erler | 3-6,6-2,6-2 |
| Challenger Cary | 2019/09/12 15:00 | Mikael Torpegaard v Michael Mmoh | 1-6,4-6 |
| Challenger Cary | 2019/09/10 15:00 | Mikael Torpegaard v Martin Redlicki | 6-4,6-7,6-2 |
| Challenger New Haven | 2019/09/04 15:35 | Mikael Torpegaard v Sekou Bangoura | 6-7,6-4,1-6 |
| US Open | 2019/08/21 17:25 | Mikael Torpegaard v Daniel Elahi Galan | 7-6,3-6,1-6 |
| US Open | 2019/08/19 16:35 | Rudolf Molleker v Mikael Torpegaard | 2-6,5-7 |
| ATP Washington | 2019/07/29 19:50 | Mikael Torpegaard v Marius Copil | 1-6,7-5,3-6 |
| ATP Washington | 2019/07/28 14:00 | Ilya Ivashka v Mikael Torpegaard | 6-4,4-6,3-6 |
| ATP Washington | 2019/07/27 14:00 | Alexis Galarneau v Mikael Torpegaard | 4-6,6-2,4-6 |