Stadium: Indoor Court 1 Round: 45 Ground: Hardcourt outdoor
| Challenger Zhuhai Qual | 2018/03/05 02:00 | Yusuke Takahashi v Renta Tokuda | 6-4,6-4 |
| ITF Japan F6 | 2017/06/03 02:30 | Yusuke Takahashi v Renta Tokuda | 6-4,6-3 |
| ITF Japan F2 | 2017/03/15 04:35 | Yusuke Takahashi v Renta Tokuda | 6-2,6-1 |
| ITF Vietnam F4 | 2016/09/13 03:00 | Renta Tokuda v Yusuke Takahashi | 2-6,4-6 |
| ITF Thailand F3 | 2016/09/10 03:00 | Yusuke Takahashi v Renta Tokuda | 6-4,6-0 |
| Challenger Ningbo | 2018/10/18 06:25 | Renta Tokuda v Radu Albot | 4-6,6-7 |
| Challenger Ningbo | 2018/10/16 09:40 | Renta Tokuda v Saketh Myneni | 6-3,6-2 |
| ATP Chengdu | 2018/09/22 07:50 | Bernard Tomic v Renta Tokuda | 6-3,6-4 |
| Challenger Gwangju | 2018/08/15 06:00 | Renta Tokuda v Roman Safiullin | 7-6,6-2 |
| Challenger Gwangju | 2018/08/13 06:30 | Renta Tokuda v Mukund Sasikumar | 3-6,6-2,6-3 |
| Challenger Jinan | 2018/08/06 09:15 | Roman Safiullin v Renta Tokuda | 6-3,7-6 |
| Challenger Chengdu | 2018/07/31 07:50 | Renta Tokuda v Tak Khunn Wang | 2-6,2-6 |
| Challenger Granby | 2018/07/26 16:00 | Joris De Loore v Renta Tokuda | 6-1,7-5 |
| Challenger Ningbo | 2018/10/16 10:00 | Tatsuma Ito v Yusuke Takahashi | 7-6,6-3 |
| Challenger Ningbo | 2018/10/15 02:30 | Arjun Kadhe v Yusuke Takahashi | 4-6,1-6 |
| Challenger Ningbo | 2018/10/14 02:30 | Zhao Zhao v Yusuke Takahashi | 0-6,6-7 |
| ATP Chengdu | 2018/09/22 07:20 | Yusuke Takahashi v Felix Auger Aliassime | 3-6,2-6 |
| Challenger Shanghai | 2018/09/08 07:55 | Yusuke Takahashi v Yuta Shimizu | 6-3,2-6,5-7 |
| Challenger Zhangjiagang | 2018/09/05 04:20 | Yusuke Takahashi v Alexander Bublik | 3-6,4-6 |
| Challenger Zhangjiagang | 2018/09/04 02:00 | Yuta Shimizu v Yusuke Takahashi | 6-4,6-2 |
| Challenger Zhangjiagang | 2018/09/03 05:30 | Yusuke Takahashi v Arjun Kadhe | 6-4,6-4 |