Stadium: North Court 1 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2019/06/07 17:00 | Trent Bryde v Sumit Sarkar | 3-6,1-6 |
| ITF M15 Champaign | 2019/06/06 17:00 | Sumit Sarkar v Dragos Constantin Ignat | 7-5,6-1 |
| ITF M15 Champaign | 2019/06/05 21:00 | Sumit Sarkar v Martin Beran | 6-4,6-4 |
| 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 M15 Champaign | 2019/06/07 23:00 | Nathan Ponwith v Ezekiel Clark | 4-6,6-3,7-5 |
| ITF M15 Champaign | 2019/06/06 19:15 | Nathan Ponwith v Gui Gomes | 6-4,1-6,6-3 |
| ITF M15 Champaign | 2019/06/05 21:30 | Vasil Kirkov v Nathan Ponwith | 2-6,6-4,4-6 |
| ITF M15 Champaign | 2019/06/04 15:00 | Alexander Knight v Nathan Ponwith | 4-6,3-6 |
| ITF M15 Champaign | 2019/06/03 15:00 | Nathan Ponwith v Shane Monroe | 7-5,6-4 |
| 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 |