Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Austin | 2019/11/18 16:00 | Adrian Oetzbach v Steinhausen, Julian Noah | 6-0,6-3 |
| ITF M25 Malibu | 2019/11/06 01:05 | Song, Evan v Adrian Oetzbach | 6-7,6-3,6-4 |
| Houston, Singles Qualifying M-ITF-USA-28A | 2019/09/19 01:05 | Adrian Oetzbach v Alex Rybakov | 2-6,2-6 |
| ITF M15 Trier | 2019/08/14 10:00 | Ornago, Fabrizio v Adrian Oetzbach | 6-0,6-2 |
| ITF M15 Trier | 2019/08/13 12:20 | Adrian Oetzbach v Uryson, Nicolas | 6-3,6-2 |
| ITF M15 Trier | 2019/08/13 07:30 | Adrian Oetzbach v Kempen, Lynn Max | 7-5,6-2 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/06 09:05 | Cayre, Paul v Adrian Oetzbach | 6-4,6-4 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/05 12:00 | Adrian Oetzbach v Mahadevan, Arjun | 6-4,6-2 |
| Fort Worth, Singles Qualifying M-ITF-USA-42A | 2019/10/21 15:00 | Zachary Svajda v Allen, Leighton | 6-4,4-6,10-6 |
| ITF M25 Norman | 2019/10/02 18:55 | Allen, Leighton v Eero Vasa | 5-7,1-6 |
| ITF M25 Harlingen | 2019/09/23 14:00 | Adrian Andreev v Allen, Leighton | 6-2,6-2 |
| ITF M25 Harlingen | 2019/09/22 15:00 | Kyle Overmyer v Allen, Leighton | 0-6,1-6 |
| ITF M15 Norman | 2019/07/08 14:00 | Andrew Fenty v Allen, Leighton | 7-6,6-2 |
| ITF M15 Pittsburgh | 2019/07/03 21:30 | Phillips, Luke v Allen, Leighton | 7-5,6-3 |
| ITF M15 Pittsburgh | 2019/07/02 14:00 | Hale, Darryl v Allen, Leighton | 4-6,3-6 |
| ITF M15 Pittsburgh | 2019/07/01 14:00 | Allen, Leighton v Giddens, Maxwell | 6-4,0-6,10-8 |