Stadium: Court 1 Round: 24 Ground: Hardcourt outdoor
| Houston, Singles Qualifying M-ITF-USA-28A | 2019/09/18 23:45 | Sumit Sarkar v Oliver Crawford | 3-6,5-7 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/18 15:30 | Sumit Sarkar v Dougaz, Aziz | 6-4,1-6,2-6 |
| Iowa City, Singles Qualifying M-ITF-USA-22A | 2019/07/17 21:30 | Uzhylovsky, Vladimir v Sumit Sarkar | 3-6,1-6 |
| ITF M15 Norman | 2019/07/12 17:55 | Jachuck, Ronan v Sumit Sarkar | 6-3,7-5 |
| ITF M15 Norman | 2019/07/11 15:50 | Ross, Gianni v Sumit Sarkar | 7-5,4-6,5-7 |
| ITF M15 Norman | 2019/07/09 15:00 | Beiler, Mason v Sumit Sarkar | 6-3,2-6,4-6 |
| ITF M15 Setubal | 2019/06/25 11:00 | Sumit Sarkar v Bradley, Julian | 6-7,6-3,6-7 |
| ITF M25 Martos | 2019/06/21 16:40 | Sumit Sarkar v Mertens, Yannick | 6-7,4-6 |
| ITF M25 Tay Ninh | 2019/10/13 08:00 | Rio Noguchi v Nguyen, Daniel | 4-6,2-6 |
| ITF M25 Tay Ninh | 2019/10/12 06:20 | Billy Harris v Nguyen, Daniel | 6-2,6-7,1-6 |
| ITF M25 Tay Ninh | 2019/10/10 05:00 | Nguyen, Daniel v Arjun Kadhe | 6-2,7-6 |
| ITF M25 Tay Ninh | 2019/10/09 07:35 | Nguyen, Daniel v Ehara, Hiroyasu | 6-4,6-2 |
| ITF M25 Tay Ninh | 2019/10/06 09:00 | Nam Hoang Ly v Nguyen, Daniel | 3-6,5-7 |
| ITF M25 Tay Ninh | 2019/10/05 09:00 | Kazuki Nishiwaki v Nguyen, Daniel | 2-6,3-6 |
| ITF M25 Tay Ninh | 2019/10/03 02:00 | Nguyen, Daniel v Makoto Ochi | 4-6,6-4,7-5 |
| ITF M25 Tay Ninh | 2019/10/02 05:00 | Nguyen, Daniel v Rogic Hadzalic, Alen | 6-3,6-1 |