Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F2 | 2018/08/27 07:10 | Tanuma, Ryota v Moritani, Soichiro | 6-2,7-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/23 06:05 | Bourchier, Harry v Tanuma, Ryota | 4-6,6-3,7-5 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/16 06:25 | Tsung-Hao Huang v Tanuma, Ryota | 6-4,6-2 |
| ITF M15 Anseong | 2019/06/27 02:55 | Inoue, Haru v Tanuma, Ryota | 6-2,6-2 |
| ITF M15 Anseong | 2019/06/26 02:45 | Hiramatsu, Shinnosuke v Tanuma, Ryota | 5-7,6-4,4-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/22 02:25 | Hong, Seong Chan v Tanuma, Ryota | 6-3,6-0 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/21 01:00 | Tanuma, Ryota v Kim, Cheong-Eui | 6-2,6-7,7-5 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/20 01:00 | Tanuma, Ryota v Lim, Yong-Kyu | 3-6,7-6,6-4 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/18 03:00 | Tanuma, Ryota v Kim, Jaewoo | 6-1,6-3 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/25 07:15 | Moritani, Soichiro v Crnokrak, Alexander | 3-6,2-6 |
| Nonthaburi, Singles M-ITF-THA-01A | 2019/07/23 05:45 | Credit Chaiyarin v Moritani, Soichiro | 2-6,3-6 |
| Kunshan, Simples M-ITF-CHN-12A | 2019/07/04 01:30 | Moritani, Soichiro v Fajing Sun | 1-6,0-6 |
| Kunshan, Simples M-ITF-CHN-12A | 2019/07/03 01:30 | Zhou, Sheng Hao v Moritani, Soichiro | 3-6,4-6 |
| Akishima, Singles M-ITF-JPN-08A | 2019/06/12 01:00 | Moritani, Soichiro v Inoue, Haru | 0-6,2-6 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/07 00:00 | Moritani, Soichiro v Ko Suzuki | 3-6,4-6 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/06 00:00 | Moritani, Soichiro v Sam Ryan Ziegann | 6-2,6-2 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/05 01:10 | Moritani, Soichiro v Camacho, Camden | 6-0,6-0 |