Estadio: Court 6 Round: 27 Ground: Hardcourt outdoor
| ITF Tailandia F3 | 2018/09/06 02:00 | Soichiro Moritani v Takashi Saito | 7-5,6-2 |
| ITF Vietnam F2 | 2018/05/07 03:00 | Takashi Saito v Soichiro Moritani | 7-6,3-6,6-3 |
| ITF Japón F3 | 2018/03/18 01:00 | Soichiro Moritani v Takashi Saito | 6-3,3-6,0-6 |
| ITF M15 Yakarta | 2019/08/08 04:30 | Takashi Saito v Ray Ho | 7-6,6-3 |
| ITF M15 Yakarta | 2019/08/07 04:20 | Zihao Xia v Takashi Saito | 6-7,3-6 |
| ITF M15 Yakarta | 2019/08/06 02:30 | Takashi Saito v Pak Long Yeung | 7-6,7-6 |
| ITF M15 Yakarta | 2019/08/05 03:00 | Takashi Saito v Prithvi Sekhar | 6-0,6-2 |
| ITF M25 Nonthaburi | 2019/07/31 02:30 | Rio Noguchi v Takashi Saito | 6-2,7-6 |
| ITF M25 Nonthaburi | 2019/07/30 02:30 | Takashi Saito v Worarin Kumthonkittikul | 6-2,6-4 |
| ITF M25 Nonthaburi | 2019/07/29 02:30 | Takashi Saito v Pawin Jirapoomdaje | 6-2,6-1 |
| ITF M25 Martos | 2019/06/18 14:30 | Mauricio Echazu v Takashi Saito | 7-6,4-6,2-6 |
| ITF M15 Yakarta | 2019/08/08 03:50 | Soichiro Moritani v Niki Kaliyanda Poonacha | 7-6,7-6 |
| ITF M15 Yakarta | 2019/08/07 05:50 | Soichiro Moritani v Karunuday Singh | 7-5,6-2 |
| ITF M25 Nonthaburi | 2019/07/30 06:25 | Ryota Tanuma v Soichiro Moritani | 6-2,2-6,6-3 |
| ITF M25 Nonthaburi | 2019/07/25 07:15 | Soichiro Moritani v Alexander Crnokrak | 3-6,2-6 |
| ITF M25 Nonthaburi | 2019/07/23 05:45 | Credit Chaiyarin v Soichiro Moritani | 2-6,3-6 |
| ITF M25 Kunshan | 2019/07/04 01:30 | Soichiro Moritani v Fajing Sun | 1-6,0-6 |
| ITF M25 Kunshan | 2019/07/03 01:30 | Sheng Hao Zhou v Soichiro Moritani | 3-6,4-6 |
| ITF M15 Akishima | 2019/06/12 01:00 | Soichiro Moritani v Haru Inoue | 0-6,2-6 |