Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Karuizawa | 2019/05/31 01:00 | Kento Takeuchi v Soichiro Moritani | 3-6,3-6 |
| ITF M15 Karuizawa | 2019/05/30 01:00 | Daisuke Sumizawa v Soichiro Moritani | 2-6,6-4,6-7 |
| ITF M15 Karuizawa | 2019/05/28 02:30 | Tomohiro Masabayashi v Soichiro Moritani | 3-6,3-6 |
| ITF M15 Nishi-Tama | 2019/03/06 01:00 | Soichiro Moritani v Keisuke Saitoh | 2-6,0-6 |
| ITF M15 Anning | 2019/01/11 05:10 | Soichiro Moritani v Shao-Fan Liu | 7-5,3-6,3-6 |
| ITF M15 Anning | 2019/01/10 03:45 | Soichiro Moritani v Kento Takeuchi | 2-6,6-3,7-5 |
| ITF M15 Anning | 2019/01/09 07:30 | Sora Fukuda v Soichiro Moritani | 3-6,2-6 |
| ITF M15 Anning | 2019/01/01 03:30 | Nitin Kumar Sinha v Soichiro Moritani | 6-1,6-7,6-3 |
| ITF M15 Karuizawa | 2019/05/28 01:00 | Kento Takeuchi v Sam Ryan Ziegann | 6-3,6-3 |
| ITF M25 Nonthaburi | 2019/05/20 04:40 | Jayden Court v Sam Ryan Ziegann | 6-4,7-5 |
| ITF M15 Mornington | 2019/03/24 23:00 | Kazuma Kawachi v Sam Ryan Ziegann | 6-2,6-1 |
| ITF Thailand F9 | 2018/11/10 05:00 | Vladislav Dubinsky v Sam Ryan Ziegann | 7-6,6-4 |
| ITF Thailand F8 | 2018/11/03 04:30 | Sam Ryan Ziegann v Takuya Kumasaka | 2-6,1-6 |
| ITF Thailand F7 | 2018/10/28 03:00 | Sanhui Shin v Sam Ryan Ziegann | 6-2,6-1 |
| ITF Thailand F7 | 2018/10/27 02:00 | Chattarin Wareesri v Sam Ryan Ziegann | 3-6,2-6 |
| ITF Vietnam F4 | 2018/10/21 03:00 | Arthur Weber v Sam Ryan Ziegann | 6-2,6-2 |