Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Tay Ninh | 2019/10/11 03:00 | Daisuke Sumizawa v Billy Harris | 2-6,4-6 |
| ITF M25 Tay Ninh | 2019/10/09 02:00 | Daisuke Sumizawa v Krittin Koaykul | 6-3,6-2 |
| ITF M25 Tay Ninh | 2019/10/08 02:00 | Daisuke Sumizawa v Qun Gao | 6-2,7-6 |
| ITF M25 Tay Ninh Qual | 2019/10/07 02:00 | Daisuke Sumizawa v Jagmeet Singh | 6-1,6-0 |
| ITF M15 Nanchang | 2019/10/03 03:40 | Chukang Wang v Daisuke Sumizawa | 6-4,2-6,6-4 |
| ITF M15 Nanchang | 2019/10/02 08:30 | Anirudh Chandrasekar v Daisuke Sumizawa | 6-3,2-6,1-6 |
| ITF M15 Nanchang | 2019/09/24 06:50 | Daisuke Sumizawa v Vladimir Ivanov | 2-6,2-6 |
| ITF M25 Nonthaburi | 2019/07/31 06:20 | Marsel Ilhan v Daisuke Sumizawa | 6-4,6-2 |
| ITF M15 Meshref | 2019/11/01 07:55 | Alec Adamson v Marko Tepavac | 2-6,1-6 |
| ITF M15 Meshref | 2019/10/31 08:00 | Alec Adamson v Saida'lo Saidkarimov | 7-6,6-2 |
| ITF M15 Cancun | 2019/10/13 14:00 | Jorge Panta v Alec Adamson | 6-4,3-6,2-6 |
| ITF M15 Cancun | 2019/10/12 14:00 | Alexander Knight v Alec Adamson | 6-2,1-6,2-6 |
| ITF M15 Cancun | 2019/10/11 14:00 | Alec Adamson v Mariano Kestelboim | 7-5,7-6 |
| ITF M15 Cancun | 2019/10/10 14:00 | Alec Adamson v Tigre Hank | 6-2,6-3 |
| ITF M15 Cancun | 2019/10/08 14:00 | Alec Adamson v Luke Jacob Gamble | 6-1,6-2 |
| ITF M15 Santa Tecla | 2019/09/30 17:00 | Alec Adamson v Herbert Jody Maginley | 1-6,6-3,3-6 |