Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Karuizawa | 2019/05/28 01:00 | Daisuke Sumizawa v Yuichiro Inui | 6-4,7-6 |
| ITF M15 Tabarka | 2019/05/23 10:00 | Yuichiro Inui v Mohamed Aziz Dougaz | 5-7,1-6 |
| ITF M15 Tabarka | 2019/05/21 11:10 | Nicolas Tepmahc v Yuichiro Inui | 6-4,1-6,3-6 |
| ITF M15 Tabarka | 2019/05/20 12:30 | Yuichiro Inui v Ashwin R Sharma | 6-4,4-6,10-7 |
| ITF M15 Tabarka | 2019/05/15 09:20 | Yuichiro Inui v Alessandro Ingarao | 2-6,3-6 |
| ITF M15 Tabarka | 2019/05/07 08:30 | Darko Bojanovic v Yuichiro Inui | 6-4,7-6 |
| ITF M25 Matsuyama | 2019/04/08 01:00 | Kazuki Shimizu v Yuichiro Inui | 6-2,6-0 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Yuichiro Inui v Gengo Kikuchi | 4-6,2-6 |
| ITF M15 Moscow | 2019/08/21 08:30 | Alexey Zakharov v Mikalai Haliak | 6-7,1-6 |
| ITF M15 Moscow | 2019/08/18 12:00 | Alexey Zakharov v Alen Avidzba | 4-6,7-5,6-1 |
| ITF M15 Moscow | 2019/08/17 07:00 | Alexey Zakharov v Jurabek Karimov | 6-1,6-3 |
| ITF M15 Moscow | 2019/08/15 13:05 | Alexey Zakharov v Shalva Dzhanashia | 6-2,6-3 |
| ITF M15 Moscow | 2019/08/13 12:25 | Marat Sharipov v Alexey Zakharov | 3-6,4-6 |
| Challenger Lexington | 2019/07/30 17:05 | Jannik Sinner v Alexey Zakharov | 4-6,6-1,6-3 |
| Challenger Lexington | 2019/07/29 14:00 | Alexey Zakharov v Takanyi Garanganga | 6-1,6-2 |
| Challenger Binghamton | 2019/07/23 14:00 | Alexey Zakharov v Tomas Barrios Vera | 2-6,2-6 |