Ground: Hardcourt outdoor
| 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 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 Harlingen | 2019/09/24 14:00 | Logan Smith v Alex Jones | 6-2,6-4 |
| ITF M25 Houston | 2019/09/17 17:00 | Logan Smith v Edoardo Graziani | 6-7,4-6 |
| ITF M15 Cancun | 2019/08/29 14:00 | Logan Smith v Nick Chappell | 5-7,1-6 |
| ITF M15 Cancun | 2019/08/28 14:15 | Logan Smith v Isaac Stoute | 4-6,6-4,6-0 |
| ITF M15 Cancun | 2019/08/26 20:00 | Yeudy Villar v Logan Smith | 1-6,1-6 |
| ITF M15 Cancun | 2019/08/26 15:30 | Nikolay Sysoev v Logan Smith | 1-6,2-6 |
| ITF M15 Cancun | 2019/08/22 14:15 | Ricardo Rodriguez-Pace v Logan Smith | 7-6,6-4 |
| ITF M15 Cancun | 2019/08/21 19:05 | Logan Smith v Tommaso Carnevale-Miino | 6-3,6-1 |