Stadium: North Court 1 Round: 28 Ground: Hardcourt outdoor
| Challenger Houston | 2018/11/13 22:55 | Sumit Sarkar v Roberto Ortega-Olmedo | 6-7,1-6 |
| 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 |
| Challenger Phoenix | 2019/03/12 21:10 | Nathan Ponwith v Tatsuma Ito | 4-6,4-6 |
| Challenger Phoenix | 2019/03/11 17:00 | Dominik Kellovsky v Nathan Ponwith | 4-6,2-6 |
| ITF USA F26 Qual | 2018/09/22 19:00 | Eric Samuelsson v Nathan Ponwith | 6-4,7-6 |
| ITF USA F26 Qual | 2018/09/21 21:30 | Nathan Ponwith v Jeremy Moser | 6-1,6-1 |
| ITF USA F25 | 2018/09/17 18:00 | Nathan Ponwith v Justin Roberts | 5-7,6-2,4-6 |
| ITF USA F25 | 2018/09/16 17:30 | William Genesen v Nathan Ponwith | 6-7,4-6 |
| ITF USA F1 Qual | 2018/01/01 18:30 | Gage Brymer v Nathan Ponwith | 6-4,6-4 |
| ITF USA F1 Qual | 2017/12/31 17:00 | Nathan Ponwith v Brandon Lam | 6-2,7-6 |