Stadium: Court 2 Round: 62
| ITF Romania F11 Qual | 2017/08/19 15:00 | Sorin Andrei Iordache v Daisuke Sumizawa | 6-0,6-1 |
| ITF China F12 Qual | 2017/07/09 02:00 | Daisuke Sumizawa v Huixin Wang | 1-6,1-6 |
| ITF China F12 Qual | 2017/07/08 05:00 | Yili Zheng v Daisuke Sumizawa | 2-6,2-6 |
| ITF China F11 Qual | 2017/07/03 02:15 | Runhao Hua v Daisuke Sumizawa | 6-1,4-6,6-1 |
| ITF China F11 Qual | 2017/07/02 09:15 | Daisuke Sumizawa v Zhao Cai | 6-2,7-6 |
| ITF China F11 Qual | 2017/07/01 08:45 | Daisuke Sumizawa v Leo Tang | 6-1,6-1 |
| ITF Guam F1 | 2017/06/19 01:15 | Connor Farren v Daisuke Sumizawa | 7-5,6-1 |
| ITF Guam F1 | 2017/06/17 00:00 | Daisuke Sumizawa v Joseph W. Van Meter | 4-6,6-4,6-2 |
| ITF Thailand F6 | 2017/08/15 09:10 | Pruchya Isarow v Sam Matheson | 4-6,6-4,6-4 |
| ITF Thailand F6 Qual | 2017/08/14 04:10 | Anthony Susanto v Sam Matheson | 6-7,1-6 |
| ITF Thailand F6 Qual | 2017/08/13 04:05 | Sam Matheson v Vinayak Sharma Kaza | 6-7,7-6,6-2 |
| ITF Thailand F6 Qual | 2017/08/12 06:05 | Omer Yeshaya v Sam Matheson | 4-6,0-6 |
| ITF Thailand F5 Qual | 2017/08/06 03:30 | Sam Matheson v Yuanfeng Li | 5-7,5-7 |
| ITF Thailand F5 Qual | 2017/08/05 06:55 | Sam Matheson v Nutdanai Sincharoenwattana | 6-1,6-1 |
| ITF Thailand F4 Qual | 2017/07/30 09:50 | Sam Matheson v Shunrou Takeshima | 6-7,1-6 |
| ITF China F14 Qual | 2017/07/23 02:00 | Yi Zhou Liu v Sam Matheson | 7-5,6-1 |