Round: 60 Ground: Clay
| ITF USA F3 | 2016/01/14 15:00 | Kaichi Uchida v Tanuma, Ryota | 6-3,6-2 |
| ITF USA F3 | 2016/01/13 18:00 | Smith, Raleigh v Tanuma, Ryota | 2-6,1-6 |
| ITF Qatar F4 | 2015/12/01 10:30 | Tanuma, Ryota v He, Yecong | 6-7,1-6 |
| ITF Australia F9 | 2015/10/21 04:25 | Luke Saville v Tanuma, Ryota | 6-3,6-3 |
| ITF Australia F8 | 2015/10/13 00:00 | Tanuma, Ryota v Blake Mott | 3-6,2-6 |
| ITF Chinese Taipei F1 | 2015/08/27 02:00 | Yi, Chu-Huan v Tanuma, Ryota | 7-6,3-6,6-1 |
| ITF Chinese Taipei F1 | 2015/08/25 05:30 | Tanuma, Ryota v Lo, Chien Hsun | 6-1,6-2 |
| ITF Chinese Taipei F1 | 2015/08/21 02:00 | Issei Okamura v Tanuma, Ryota | 6-4,3-6,6-3 |
| ITF USA F4 | 2016/01/15 13:00 | Mcnally, John v Oliver Crawford | 5-7,6-7 |