Round: 44 Ground: Hardcourt outdoor
| ITF Poland F1 | 2017/06/11 08:00 | Hobart, Daniel v Gennaro, Dante | 3-6,4-6 |
| ITF Italy F16 Qual | 2017/06/03 08:30 | Hobart, Daniel v Matthew Dellavedova | 1-6,3-6 |
| ITF Australia F5 | 2016/09/19 02:05 | Hobart, Daniel v van Peperzeel, Gavin | 7-5,5-7,6-7 |
| ITF USA F25 | 2016/07/27 14:00 | Hobart, Daniel v Marc Polmans | 4-6,1-6 |
| ITF USA F25 Qual | 2016/07/25 15:00 | Hobart, Daniel v Bandres Jesus | 4-6,7-6,7-6 |
| ITF USA F25 Qual | 2016/07/24 13:15 | Hobart, Daniel v Nathan Ponwith | 6-2,6-2 |
| ITF USA F24 | 2016/07/20 16:30 | Marc Polmans v Hobart, Daniel | 6-2,6-3 |
| ITF Portugal F7 | 2016/05/27 09:00 | Gard, Catalin-Ionut v Hobart, Daniel | 7-6,1-6,7-5 |
| Guam, Singles M-ITF-GUM-01A | 2019/06/05 04:15 | Takahiro Kubo v Choi, Seungri | 2-6,2-6 |
| ITF - M15 Karuizawa | 2019/05/27 04:00 | Taketo Takamisawa v Takahiro Kubo | 6-1,6-1 |
| ITF Japan F8 | 2018/06/09 01:00 | Takahiro Kubo v Kousuke Ogura | 0-6,3-6 |
| ITF Japan F7 Qual | 2018/06/02 01:00 | Sasaki, Kengo v Takahiro Kubo | 6-1,6-1 |
| ITF Japan F3 | 2018/03/17 00:30 | Takahiro Kubo v Kousuke Ogura | 0-6,0-6 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Takahiro Kubo v Roman Mayorga, Maximiliano | 2-6,4-6 |
| ITF Portugal F1 | 2018/02/17 10:00 | Takahiro Kubo v Niv, Benjamin | 1-6,0-6 |
| ITF Spain F3 | 2018/01/27 14:00 | Takahiro Kubo v Tatyanin, Nikita | 1-6,3-6 |