Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF - M15 Karuizawa | 2019/06/01 02:00 | Ko Suzuki v Moritani, Soichiro | 6-4,6-2 |
| ITF Japan F2 | 2015/03/17 05:25 | Ko Suzuki v Moritani, Soichiro | 6-3,3-6,2-6 |
| 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 |
| ITF - M15 Karuizawa | 2019/06/01 02:00 | Ko Suzuki v Moritani, Soichiro | 6-4,6-2 |
| ITF - M15 Karuizawa | 2019/05/31 01:00 | Takeuchi, Kento (1987) v Moritani, Soichiro | 3-6,3-6 |
| ITF - M15 Karuizawa | 2019/05/30 01:00 | Daisuke Sumizawa v Moritani, Soichiro | 2-6,6-4,6-7 |
| ITF - M15 Karuizawa | 2019/05/28 02:30 | Tomohiro Masabayashi v Moritani, Soichiro | 3-6,3-6 |
| Nishi-Tama, Simples M-ITF-JPN-01A | 2019/03/06 01:00 | Moritani, Soichiro v Keisuke Saitoh | 2-6,0-6 |
| ITF M15 Anning | 2019/01/11 05:10 | Moritani, Soichiro v Liu, Shao-Fan | 7-5,3-6,3-6 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/06 01:20 | Ko Suzuki v Singh, Karunuday | 3-6,7-6,6-3 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/05 02:40 | Ko Suzuki v van Meter, Joseph W | 6-2,6-4 |
| ITF - M15 Karuizawa | 2019/06/02 02:00 | Ko Suzuki v Yuki Mochizuki | 4-6,6-4,2-6 |
| ITF - M15 Karuizawa | 2019/06/01 02:00 | Ko Suzuki v Moritani, Soichiro | 6-4,6-2 |
| ITF - M15 Karuizawa | 2019/05/31 01:00 | Ko Suzuki v Markovic, Goran | 6-1,6-4 |
| ITF - M15 Karuizawa | 2019/05/30 06:00 | Samper-Montana, Jordi v Ko Suzuki | 4-6,6-0,6-7 |
| ITF - M15 Karuizawa | 2019/05/28 05:35 | Yuta Kikuchi v Ko Suzuki | 2-6,6-3,4-6 |
| ITF Japan F7 Qual | 2018/06/03 03:10 | Tomohiro Masabayashi v Ko Suzuki | 5-7,7-6,6-4 |