Stadium: Court 8 - HEB Round: 62 Ground: Hardcourt outdoor
| ITF USA F27 | 2018/10/09 16:40 | Jack Findel-Hawkins v Sumit Sarkar | 7-6,7-6 |
| ITF USA F24 | 2018/09/13 16:30 | Samuel Shropshire v Sumit Sarkar | 7-6,6-1 |
| ITF USA F24 | 2018/09/11 16:30 | Milen Ianakiev v Sumit Sarkar | 3-6,1-6 |
| ITF Chinese Taipei F2 | 2018/07/25 02:00 | Sumit Sarkar v Benjamin Lock | 3-6,3-6 |
| ITF Malaysia F3 | 2018/07/18 02:30 | Maciej Smola v Sumit Sarkar | 6-2,6-4 |
| ITF Malaysia F3 | 2018/07/17 05:30 | Chanchai Sookton-Eng v Sumit Sarkar | 1-6,4-6 |
| ITF Malaysia F2 | 2018/07/10 05:45 | David Perez Sanz v Sumit Sarkar | 7-5,6-0 |
| ITF Malaysia F2 | 2018/07/09 04:00 | Sumit Sarkar v Courtney John Lock | 6-4,6-0 |
| ITF USA F27 | 2018/10/06 18:00 | Chenhe Li v Guido Marson | 6-4,6-2 |
| ITF Italy F22 Qual | 2018/08/06 10:35 | Luca Narcisi v Guido Marson | 7-5,6-3 |
| ITF Italy F21 Qual | 2018/07/28 12:25 | Gianmarco Ferrari v Guido Marson | 6-4,6-2 |
| ITF Italy F20 Qual | 2018/07/22 13:00 | Emiliano Maggioli v Guido Marson | 6-4,6-2 |
| ITF Italy F20 Qual | 2018/07/21 07:30 | Giuseppe La Vela v Guido Marson | 6-7,5-7 |
| ITF Egypt F14 | 2018/04/18 08:00 | Guido Marson v Michel Vernier | 1-6,3-6 |
| ITF Egypt F13 | 2018/04/08 10:30 | Joy Vigani v Guido Marson | 6-1,6-4 |
| ITF Egypt F13 | 2018/04/07 12:00 | Antonio P Neto v Guido Marson | 1-6,1-6 |