Stadium: Court 1 Round: 25 Ground: Clay
| ITF M15 Hua Hin | 2019/09/05 03:00 | George Loffhagen v Ryota Tanuma | 6-2,6-1 |
| ITF M15 Hua Hin | 2019/09/04 03:00 | Chanchai Sookton-Eng v Ryota Tanuma | 2-6,0-6 |
| ITF M15 Hua Hin | 2019/08/29 03:00 | Ryota Tanuma v Aaron Schmid | 6-3,4-6,4-6 |
| ITF M15 Hua Hin | 2019/08/28 05:30 | Ryota Tanuma v Young-Hoon Jeong | 3-6,6-1,6-0 |
| ITF M25 Nonthaburi | 2019/08/01 05:25 | Ryota Tanuma v Sergey Fomin | 1-6,4-6 |
| ITF M25 Nonthaburi | 2019/07/30 06:25 | Ryota Tanuma v Soichiro Moritani | 6-2,2-6,6-3 |
| ITF M25 Nonthaburi | 2019/07/23 06:05 | Harry Bourchier v Ryota Tanuma | 4-6,6-3,7-5 |
| ITF M25 Taipei | 2019/07/16 06:25 | Tsung-Hao Huang v Ryota Tanuma | 6-4,6-2 |
| ITF M15 Lambare | 2019/08/22 14:00 | Fermin Tenti v Oleg Khotkov | 6-3,7-6 |
| ITF M15 La Paz | 2019/08/14 14:00 | Oleg Khotkov v Antonio Cayetano March | 3-6,6-7 |
| ITF M15 Santa Cruz | 2019/08/08 20:00 | Juan Bautista Otegui v Oleg Khotkov | 6-1,6-4 |
| ITF M15 Santa Cruz | 2019/08/07 19:00 | Oleg Khotkov v Ramiro Pioli Tizon | 6-1,6-3 |
| ITF M15 Brussels | 2019/07/30 08:00 | Oleg Khotkov v Tuur Heuvinck | 2-6,3-6 |
| ITF M25 Denia | 2019/07/23 08:00 | Oleg Khotkov v Alex M Pujolras | 3-6,1-6 |
| ITF M25 Denia | 2019/07/22 10:00 | Oleg Khotkov v David E Manogue | 6-4,6-4 |
| ITF M25 Gandia | 2019/07/15 08:15 | Oleg Khotkov v Alejandro Vedri Asensi | 4-6,4-6 |