Stadium: Court 1 Round: 25 Ground: Clay
| Orlando, Singles Qualifying M-ITF-USA-17A | 2019/06/18 13:00 | Kessler, Mcclain v Zapp, Logan | 5-7,2-6 |
| ITF - M15 Orange Park | 2019/04/18 15:00 | Zapp, Logan v Alexander Ritschard | 4-6,2-6 |
| ITF - M15 Orange Park | 2019/04/17 15:25 | Zapp, Logan v Cozbinov, Alexander | 6-4,6-4 |
| Palm Coast, Singles M-ITF-USA-05A | 2019/01/21 19:45 | Zapp, Logan v Sundaram, Ritik | 6-7,6-2,9-11 |
| Palm Coast, Singles M-ITF-USA-05A | 2019/01/21 15:00 | Naoki Nakagawa v Zapp, Logan | 3-6,1-6 |
| ITF USA F30 | 2018/11/07 18:55 | Zapp, Logan v Nicolas Mejia | 2-6,1-6 |
| ITF USA F11 | 2018/04/17 23:00 | Zapp, Logan v Dunbar, Jacob | 2-6,6-7 |
| ITF M15 Champaign | 2019/06/05 19:50 | de La Bassetiere, Constant v Alexander Bernard | 6-2,6-4 |
| ITF - M25 Pensacola | 2019/05/06 14:00 | Spec, Matic v Alexander Bernard | 6-1,6-1 |