Stadium: Court 1 Round: 24 Ground: Hardcourt outdoor
| ITF M25 Martos | 2019/06/21 16:40 | Sumit Sarkar v Yannick Mertens | 6-7,4-6 |
| ITF M25 Martos | 2019/06/19 14:30 | Pablo Vivero Gonzalez v Sumit Sarkar | 3-6,4-6 |
| ITF M25 Wichita | 2019/06/14 23:00 | Sumit Sarkar v Alexander Ritschard | 7-5,4-6,4-6 |
| ITF M25 Wichita | 2019/06/13 15:00 | Mark Whitehouse v Sumit Sarkar | 6-7,6-2,2-6 |
| ITF M25 Wichita | 2019/06/12 15:00 | Emil Reinberg v Sumit Sarkar | 2-6,2-6 |
| ITF M15 Champaign | 2019/06/08 19:30 | Sumit Sarkar v Nathan Ponwith | 3-6,4-6 |
| 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 |
| Challenger Columbus | 2019/06/11 17:35 | Daniel Nguyen v Thai-Son Kwiatkowski | 6-4,2-6,4-6 |
| Challenger Columbus | 2019/06/10 20:45 | Daniel Nguyen v Gijs Brouwer | 6-4,6-7,7-5 |
| Challenger Little Rock | 2019/06/07 17:00 | Ryan Shane v Daniel Nguyen | 3-6,6-3,6-4 |
| Challenger Little Rock | 2019/06/05 19:00 | Daniel Nguyen v Filip Peliwo | 4-6,6-1,6-0 |
| Challenger Little Rock | 2019/06/04 20:45 | Daniel Nguyen v Kevin King | 6-2,6-7,6-3 |
| Challenger Sarasota | 2019/04/15 18:40 | Daniel Nguyen v Ryan Shane | 6-7,5-7 |
| Challenger Zhangjiagang | 2019/03/19 05:45 | Daniel Nguyen v Lorenzo Giustino | 0-6,3-6 |
| Challenger Zhangjiagang | 2019/03/18 03:55 | Maverick Banes v Daniel Nguyen | 4-6,3-6 |