Round: 54 Ground: Hardcourt outdoor
| ITF Spain F15 | 2018/06/17 09:30 | Clement Geens v Sumit Sarkar | 7-5,7-5 |
| ITF Spain F15 | 2018/06/16 15:00 | Sumit Sarkar v Diego-Jose Manrique-Velazquez | 6-1,6-4 |
| ITF Spain F15 | 2018/06/15 16:05 | Ignasi De Rueda De Genover v Sumit Sarkar | 3-6,6-1,0-6 |
| ITF Spain F15 | 2018/06/14 15:00 | Sumit Sarkar v Mick Lescure | 6-2,2-6,6-2 |
| ITF Spain F15 | 2018/06/12 16:30 | Rafael Izquierdo Luque v Sumit Sarkar | 6-4,3-6,6-7 |
| ITF Turkey F22 | 2018/06/03 07:30 | Sumit Sarkar v Mats Hermans | 3-6,3-6 |
| ITF Turkey F22 | 2018/06/02 09:00 | Sumit Sarkar v Cihan Akay | 2-6,7-5,6-4 |
| ITF Turkey F21 Qual | 2018/05/28 09:00 | Mert Naci Turker v Sumit Sarkar | 6-1,0-6,7-5 |
| ITF Hong Kong F1 Qual | 2018/06/23 03:00 | Chattarin Wareesri v Tsz Y A Yao | 1-6,2-6 |
| ITF Thailand F12 Qual | 2017/12/09 05:30 | Colin Sinclair v Chattarin Wareesri | 6-0,6-0 |
| ITF Thailand F10 Qual | 2017/11/25 04:00 | Chattarin Wareesri v Vorachon Rakpuangchon | 0-6,0-6 |
| ITF Thailand F1 | 2017/06/17 03:00 | Chattarin Wareesri v Tonkla Mulada | 0-6,0-6 |