Stadion: Inddor 2 Round: 25 Ground: Hardcourt outdoor
| ITF - Japan F5 | 2017/04/09 03:30 | Tatsuma Ito v Yusuke Takahashi | 6-4,6-2 |
| ATP - Tokio | 2018/09/30 03:50 | Tatsuma Ito v Yosuke Watanuki | 2-6,4-6 |
| ATP - Tokio | 2018/09/29 04:45 | Mackenzie McDonald v Tatsuma Ito | 4-6,6-1,3-6 |
| ATP - Shenzhen | 2018/09/25 12:15 | Tatsuma Ito v Taro Daniel | 6-2,5-7,6-7 |
| ATP - Shenzhen | 2018/09/22 08:10 | Federico Gaio v Tatsuma Ito | 6-4,3-6,1-6 |
| Challenger - Zhangjiagang | 2018/09/06 06:10 | Yibing Wu v Tatsuma Ito | 7-6,4-6,6-3 |
| Challenger - Zhangjiagang | 2018/09/04 03:45 | Steven Diez v Tatsuma Ito | 4-6,1-6 |
| US Open | 2018/08/22 19:10 | Thiago Monteiro v Tatsuma Ito | 7-5,6-7,6-2 |
| Challenger - Jinan | 2018/08/08 07:30 | Roman Safiullin v Tatsuma Ito | 7-6,7-5 |
| 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 |
| Challenger - Gwangju | 2018/08/14 06:30 | Yusuke Takahashi v Zihao Xia | 2-6,6-1,2-6 |