Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F1 | 2018/08/23 03:00 | Schneider, Ronnie v Tanuma, Ryota | 6-4,6-4 |
| ITF Thailand F1 | 2018/08/22 02:00 | Brugnerotto, Marco v Tanuma, Ryota | 5-7,6-3,1-6 |
| ITF Korea F4 | 2018/08/18 01:00 | Tanuma, Ryota v Jae Hwan Kim | 1-6,2-6 |
| ITF Korea F4 | 2018/08/17 01:00 | Tanuma, Ryota v Park, Minjong | 6-1,6-3 |
| ITF Korea F4 | 2018/08/15 01:00 | Tanuma, Ryota v Kang, Ku Keon | 7-5,7-6 |
| ITF Korea F4 | 2018/08/13 03:00 | Tanuma, Ryota v Cho, Hyeong Jin | 6-0,6-2 |
| Jinan, China | 2018/08/04 03:45 | Tanuma, Ryota v Manish Sureshkumar | 3-6,7-6,1-6 |
| ITF Malaysia F2 | 2018/07/14 02:30 | Petit, Gabriel v Tanuma, Ryota | 1-6,1-6 |
| ITF Indonesia F3 | 2018/08/07 05:05 | Nolan, Daniel v Moritani, Soichiro | 7-6,6-2 |
| ITF Chinese Taipei F1 | 2018/07/17 02:00 | Yuttana Charoenphon v Moritani, Soichiro | 5-7,4-6 |
| ITF Malaysia F2 | 2018/07/13 03:00 | Moritani, Soichiro v Petit, Gabriel | 6-7,6-0,3-6 |
| ITF Malaysia F2 | 2018/07/12 03:00 | Perez Sanz, David v Moritani, Soichiro | 5-7,2-6 |
| ITF Malaysia F2 | 2018/07/11 02:00 | Look, Michael v Moritani, Soichiro | 4-6,5-7 |
| ITF Malaysia F2 | 2018/07/10 02:00 | Akbar, Mohammad Abid Ali Khan v Moritani, Soichiro | 2-6,0-6 |
| ITF Malaysia F1 | 2018/07/05 02:30 | Moritani, Soichiro v Brugnerotto, Marco | 6-3,6-7,5-7 |
| ITF Malaysia F1 | 2018/07/04 03:30 | Moritani, Soichiro v Oh, Seong-Gook | 6-4,6-0 |