Round: 44 Ground: Hardcourt outdoor
| ITF M25 Pensacola | 2019/05/07 15:00 | Spec, Matic v Keist, Luca | 7-5,7-5 |
| ITF M25 Pensacola | 2019/05/06 14:00 | Sinn, Maximilian v Keist, Luca | 1-6,1-6 |
| ITF USA F28B | 2018/10/21 15:00 | Bradley, Julian v Keist, Luca | 6-3,6-0 |
| ITF Switzerland F3 | 2018/08/22 09:30 | Johan Nikles v Keist, Luca | 6-3,6-1 |
| ITF Switzerland F3 | 2018/08/20 08:40 | Eckert, Gilles v Keist, Luca | 1-6,1-6 |
| ITF Switzerland F3 | 2018/08/19 11:00 | Keist, Luca v Yannik Steinegger | 6-4,3-6,6-3 |
| ITF Morocco F2 | 2018/07/22 09:00 | Krivic, Ivan v Keist, Luca | 7-6,6-3 |
| ITF Morocco F2 | 2018/07/21 09:30 | Keist, Luca v Glebov, Viacheslav | 6-0,6-0 |
| ITF M25 Harlingen | 2019/09/22 15:00 | Bendeck, Jaime v Wally Thayne | 6-3,6-1 |
| Houston, Singles Qualifying M-ITF-USA-28A | 2019/09/16 14:00 | Wally Thayne v Noah Schachter | 3-6,2-6 |
| Houston, Singles Qualifying M-ITF-USA-28A | 2019/09/15 14:00 | Wally Thayne v Talac, Eric | 6-1,6-2 |
| ITF USA F25 | 2018/09/14 16:00 | Wally Thayne v Grovas, Rafael E | 4-6,7-5,4-6 |
| ITF USA F7 Qual | 2018/03/10 17:00 | Wally Thayne v Boris Arias | 2-6,1-6 |
| ITF USA F2 Qual | 2018/01/06 18:00 | Gregg, Perry v Wally Thayne | 6-2,7-5 |