Stadium: Court 1 Round: 44 Ground: Clay
| ITF M15 Getafe Madrid | 2019/10/13 13:00 | Johannson-Holm, Jakob v Gupta, Koonwar | 6-1,6-0 |
| ITF M15 Sabadell | 2019/09/29 09:30 | Alcalde, Juan Ignacio v Gupta, Koonwar | 6-1,7-5 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/06/17 10:00 | Gupta, Koonwar v Arh, Anze | 3-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/06/10 08:00 | Gupta, Koonwar v Recci, Mason | 2-6,1-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/06/03 08:00 | Alexis Gautier v Gupta, Koonwar | 6-0,6-1 |
| Antalya, Singles Qualifying W-ITF-TUR-18A | 2019/05/06 11:30 | Wakita, Shunsuke v Gupta, Koonwar | 6-3,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/29 08:00 | Gupta, Koonwar v Fernandes, Paulo | 4-6,0-6 |
| ITF Spain F21 Qual | 2018/07/28 12:00 | Gupta, Koonwar v Vicente O Moratalla | 5-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2019/10/06 12:30 | Manekas, Athanassios v Minc, Charles | 7-6,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/10/01 08:00 | Dermiens, Guillaume v Minc, Charles | 7-5,4-6,12-10 |
| Targu Mures, Singles M-ITF-ROU-05A | 2019/09/17 06:30 | Minc, Charles v Lorenzo Vatteroni | 4-6,0-6 |
| Targu Mures, Singles M-ITF-ROU-05A | 2019/09/16 07:00 | Vicentiu Andrei Niculescu v Minc, Charles | 6-3,3-6,13-15 |
| ITF France F9 Qual | 2017/04/22 15:45 | Minc, Charles v Nathan Seateun | 3-6,1-6 |