| ITF M25 Nonthaburi | 07/23 05:45 | 25 | Credit Chaiyarin v Soichiro Moritani | 2-6,3-6 | |
| ITF M25 Kunshan | 07/04 01:30 | 26 | Soichiro Moritani v Fajing Sun | 1-6,0-6 | |
| ITF M25 Kunshan | 07/03 01:30 | 25 | Sheng Hao Zhou v Soichiro Moritani | 3-6,4-6 | |
| ITF M15 Akishima | 06/12 01:00 | 25 | Soichiro Moritani v Haru Inoue | 0-6,2-6 | |
| ITF M15 Guam | 06/07 00:00 | 27 | Soichiro Moritani v Ko Suzuki | 3-6,4-6 | |
| ITF M15 Guam | 06/06 00:00 | 26 | Soichiro Moritani v Sam Ryan Ziegann | 6-2,6-2 | |
| ITF M15 Guam | 06/05 01:10 | 25 | Soichiro Moritani v Camden Camacho | 6-0,6-0 | |
| ITF M15 Karuizawa | 06/01 02:00 | 28 | Ko Suzuki v Soichiro Moritani | 6-4,6-2 | |
| ITF M15 Karuizawa | 05/31 01:00 | 27 | Kento Takeuchi v Soichiro Moritani | 3-6,3-6 | |
| ITF M15 Karuizawa | 05/30 01:00 | 26 | Daisuke Sumizawa v Soichiro Moritani | 2-6,6-4,6-7 | |
| ITF M15 Karuizawa | 05/28 02:30 | 25 | Tomohiro Masabayashi v Soichiro Moritani | 3-6,3-6 | |
| ITF M15 Tabarka | 04/30 08:30 | 25 | Sergi Perez Contri v Soichiro Moritani | Retired | |
| ITF M15 Nishi-Tama | 03/06 01:00 | 25 | Soichiro Moritani v Keisuke Saitoh | 2-6,0-6 | |
| ITF M15 Anning | 01/11 05:10 | 27 | Soichiro Moritani v Shao-Fan Liu | 7-5,3-6,3-6 | |
| ITF M15 Anning | 01/10 03:45 | 26 | Soichiro Moritani v Kento Takeuchi | 2-6,6-3,7-5 | |
| ITF M15 Anning | 01/09 07:30 | 25 | Sora Fukuda v Soichiro Moritani | 3-6,2-6 | |
| ITF M15 Anning | 01/01 03:30 | 25 | Nitin Kumar Sinha v Soichiro Moritani | 6-1,6-7,6-3 | |
| Challenger de Kobe | 11/10 05:30 | 45 | [485] Soichiro Moritani v Tung-Lin Wu [484] | 2-6,6-4,3-6 | |
| ITF Tailandia F6 | 10/09 02:30 | 25 | Matic Spec v Soichiro Moritani | 6-1,5-7,6-3 | |
| ITF Tailandia F5 | 10/03 05:30 | 26 | Soichiro Moritani v Kento Takeuchi | 4-6,5-7 | |
| ITF Tailandia F5 | 10/01 04:00 | 25 | Wishaya Trong'kul v Soichiro Moritani | 3-6,6-7 | |
| ITF Tailandia F4 | 09/27 02:30 | 27 | Soichiro Moritani v Shintaro Imai | 1-6,6-7 | |
| ITF Tailandia F4 | 09/26 04:45 | 26 | Soichiro Moritani v Dalwinder Singh | 6-3,6-2 | |
| ITF Tailandia F4 | 09/25 06:55 | 25 | Soichiro Moritani v Kelsey Stevenson | 6-4,6-3 | |
| ITF Tailandia F3 | 09/07 02:00 | 28 | Pruchya Isaro v Soichiro Moritani | 6-2,6-2 | |
| ITF Tailandia F3 | 09/06 02:00 | 27 | Soichiro Moritani v Takashi Saito | 7-5,6-2 | |
| ITF Tailandia F3 | 09/05 04:45 | 26 | Soichiro Moritani v Kittirat Kerdlaphee | 6-2,6-7,6-4 | |
| ITF Tailandia F3 | 09/04 07:45 | 25 | Soichiro Moritani v Natthasith Kunsuwan | 6-2,6-2 | |
| ITF Tailandia F2 | 08/27 07:10 | 25 | Ryota Tanuma v Soichiro Moritani | 6-2,7-6 | |
| ITF Indonesia F3 | 08/07 05:05 | 25 | Daniel Nolan v Soichiro Moritani | 7-6,6-2 |