Stadium: Court 20 Round: 54 Ground: Clay
| ITF - M25 Pensacola | 2019/05/06 14:00 | Spec, Matic v Alexander Bernard | 6-1,6-1 |
| Vero Beach, Fl, Singles Qualifying M-ITF-USA-17A | 2019/04/30 16:00 | Spec, Matic v Ignat, Dragos Constantin | 4-6,7-5,7-10 |
| ITF - M15 Orange Park | 2019/04/19 13:15 | Mateus Alves v Spec, Matic | 6-4,6-3 |
| ITF - M15 Orange Park | 2019/04/18 16:45 | Spec, Matic v Liam Draxl | 6-3,6-2 |
| ITF - M15 Orange Park | 2019/04/16 14:00 | Spec, Matic v Ore, I. A. | 6-1,6-1 |
| ITF - M15 Sunrise | 2019/04/09 14:00 | Spec, Matic v Ore, I. A. | 0-6,6-3,10-12 |
| ITF - M15 Sunrise | 2019/04/08 15:00 | Spec, Matic v Nunez, V. | 4-6,6-1,10-8 |
| ITF M15 Cancun | 2019/03/29 14:00 | Juan Pablo Varillas v Spec, Matic | 6-4,6-3 |
| 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 Morocco F1 | 2018/07/14 13:30 | Keist, Luca v Quentin Folliot | 3-6,1-6 |