Round: 62 Ground: Clay
| ITF Austria F2 | 2018/07/07 15:00 | Thibault Cancel v Koonwar Gupta | 6-1,6-0 |
| ITF Tunisia F25 | 2018/06/24 08:30 | Koonwar Gupta v Kody Pearson | 0-6,1-6 |
| ITF Tunisia F24 | 2018/06/16 11:00 | Gabi Adrian Boitan v Koonwar Gupta | 6-0,6-0 |
| ITF Egypt F11 | 2018/03/24 08:00 | Koonwar Gupta v Kyle Johnson | 1-6,6-4,6-7 |
| ITF Egypt F10 | 2018/03/17 08:00 | Ondrej Styler v Koonwar Gupta | 6-1,6-2 |
| ITF Egypt F9 | 2018/03/10 14:30 | Aleksei Khomich v Koonwar Gupta | 6-2,6-1 |
| ITF Vietnam F3 | 2017/11/19 07:00 | Moerani Bouzige v Koonwar Gupta | 6-2,6-2 |
| ITF Vietnam F2 | 2017/11/11 05:00 | Koonwar Gupta v Richard Yang | 4-6,2-6 |
| ITF Austria F2 | 2018/07/07 07:15 | Luka Veselic v Nicolas Parizzia | 1-6,3-6 |
| ITF Croatia F3 | 2017/03/18 10:30 | Lukas Krainer v Luka Veselic | 6-2,6-2 |
| ITF Italy F32 | 2016/10/08 07:30 | Deney Wassermann v Luka Veselic | 6-2,6-4 |
| ITF Italy F32 | 2016/05/14 08:00 | Luka Veselic v Luke Oakley | 0-6,1-6 |
| ITF Croatia F4 Qual | 2016/03/20 08:00 | Luka Veselic v Andrea Caligiana | 0-6,0-6 |
| ITF Croatia F4 Qual | 2016/03/19 08:00 | Luka Veselic v Eduard Vlasceanu | 6-3,6-2 |
| ITF Croatia F3 | 2016/03/13 09:00 | Riccardo Bellotti v Luka Veselic | 6-1,6-2 |
| ITF Croatia F3 | 2016/03/12 11:30 | Luka Veselic v Ludvik Fjeldstad | 6-3,6-2 |