Round: 44 Ground: Hardcourt outdoor
| ITF M25 Tulsa | 2019/06/17 15:00 | Simon Freund v Sebastian Zapata | 6-1,6-0 |
| ITF M25 Wichita | 2019/06/10 15:00 | Sebastian Zapata v Samuel Beren | 1-6,4-6 |
| ITF M15 Champaign | 2019/06/03 15:00 | Alexander Knight v Sebastian Zapata | 6-1,6-1 |
| ITF M15 Kalmar | 2019/05/13 13:15 | Marius Ruzgas v Sebastian Zapata | 6-1,6-1 |
| ITF M15 Karlskrona | 2019/05/06 09:05 | Arvid Nordquist v Sebastian Zapata | 6-0,6-1 |
| ITF M25 Bakersfield | 2019/03/11 17:00 | Ryan Peniston v Sebastian Zapata | 6-2,6-0 |
| ITF USA F31 | 2018/11/11 17:00 | Sebastian Zapata v Taine Bernhard | 4-6,1-6 |
| ITF USA F30 | 2018/11/02 15:30 | Sebastian Zapata v Aljaz Jakob Kaplja | 1-6,7-5,2-6 |
| ITF M15 Tabarka | 2019/10/27 09:00 | Koonwar Gupta v Nicolo Crespi | 7-5,2-6,13-15 |
| ITF M15 Tabarka | 2019/10/20 08:00 | Koonwar Gupta v Charles Minc | 1-6,1-6 |
| ITF M15 Getafe Madrid | 2019/10/13 13:00 | Jakob Johansson-Holm v Koonwar Gupta | 6-1,6-0 |
| ITF M15 Sabadell | 2019/09/29 09:30 | Juan Ignacio Alcalde v Koonwar Gupta | 6-1,7-5 |
| ITF M15 Tabarka | 2019/06/17 10:00 | Koonwar Gupta v Anze Arh | 3-6,2-6 |
| ITF M15 Tabarka | 2019/06/10 08:00 | Koonwar Gupta v Mason Recci | 2-6,1-6 |
| ITF M15 Tabarka | 2019/06/03 08:00 | Alexis Gautier v Koonwar Gupta | 6-0,6-1 |
| ITF W60 Luan | 2019/05/06 11:30 | Shunsuke Wakita v Koonwar Gupta | 6-3,6-2 |