Round: 44 Ground: Hardcourt outdoor
| Sarreguemines, Singles M-ITF-FRA-22A | 2019/11/17 14:35 | Eleveld, Justin v Zapata, Sebastian | 6-0,6-1 |
| ITF - M15 Monastir | 2019/11/03 08:00 | Zapata, Sebastian v Gupta, Koonwar | 1-6,1-6 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2019/06/17 15:00 | Simon Freund v Zapata, Sebastian | 6-1,6-0 |
| ITF M25 Wichita | 2019/06/10 15:00 | Zapata, Sebastian v Beren, Samuel | 1-6,4-6 |
| ITF M15 Champaign | 2019/06/03 15:00 | Knight, Alexander v Zapata, Sebastian | 6-1,6-1 |
| ITF - M15 Kalmar | 2019/05/13 13:15 | Ruzgas, Marius v Zapata, Sebastian | 6-1,6-1 |
| Karlskrona, Singles Qualifying M-ITF-SWE-01A | 2019/05/06 09:05 | Arvid Nordquist v Zapata, Sebastian | 6-0,6-1 |
| ITF - M25 Bakersfield | 2019/03/11 17:00 | Ryan Peniston v Zapata, Sebastian | 6-2,6-0 |
| ITF - M15 Santo Domingo | 2019/11/24 13:00 | Iamachkine, Pedro v Cimino, Ivo | 6-1,6-2 |