Stadium: Court 7 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Matsuyama | 2019/04/12 02:25 | Issei Okamura v Shuichi Sekiguchi | 1-6,0-6 |
| ITF M25 Matsuyama | 2019/04/10 07:00 | Jumpei Yamasaki v Issei Okamura | 6-4,5-7,1-6 |
| ITF M25 Matsuyama | 2019/04/09 02:40 | Issei Okamura v Shota Iino | 6-2,6-2 |
| ITF M15 Kashiwa | 2019/04/04 01:00 | Issei Okamura v Jumpei Yamasaki | 3-6,2-6 |
| ITF M15 Kashiwa | 2019/04/02 05:50 | Taisei Ichikawa v Issei Okamura | 7-5,5-7,5-7 |
| ITF M15 Tsukuba | 2019/03/27 03:25 | Issei Okamura v Naoki Tajima | 3-6,4-6 |
| ITF M15 Kofu | 2019/03/22 02:00 | Issei Okamura v Ryota Tanuma | 4-6,2-6 |
| ITF M15 Kofu | 2019/03/21 02:00 | Takuya Kumasaka v Issei Okamura | 1-6,2-6 |
| ITF M15 Wuhan | 2019/04/30 03:35 | Chenhe Li v Bingyu Yu | 6-2,6-1 |
| ITF M15 Wuhan | 2019/04/29 05:45 | Guan Kai Wang v Bingyu Yu | 7-5,2-6,8-10 |
| ITF M15 Antalya | 2019/04/15 07:00 | Bingyu Yu v Luca Gelhardt | 2-6,0-6 |
| ITF M15 Antalya | 2019/04/08 07:15 | Oleg Prihodko v Bingyu Yu | 6-1,6-1 |
| ITF M15 Antalya | 2019/03/11 07:15 | Tomislav Jotovski v Bingyu Yu | 6-3,6-4 |
| ITF M15 Antalya | 2019/03/04 08:00 | Bingyu Yu v Alon Elia | 4-6,1-6 |
| ITF M15 Antalya | 2019/01/22 09:00 | Matyas Fuele v Bingyu Yu | 6-1,6-4 |
| ITF M15 Antalya | 2019/01/14 07:00 | Bingyu Yu v Edoardo Bottino | 3-6,5-7 |