Stadium: Court 3 Round: 26
| ITF Japan F1 | 2018/03/07 01:00 | Cheng-Yu Yu v Gengo Kikuchi | 5-7,5-7 |
| Challenger Taipei Qual | 2018/04/08 03:00 | Cheng-Yu Yu v Jacob Grills | 6-4,5-7,3-6 |
| Challenger Taipei Qual | 2018/04/07 03:05 | Tsung-Hao Huang v Cheng-Yu Yu | 5-7,1-6 |
| ITF Japan F2 | 2018/03/13 02:10 | Cheng-Yu Yu v Shintaro Imai | 7-6,3-6,2-6 |
| ITF Japan F1 | 2018/03/07 01:00 | Cheng-Yu Yu v Gengo Kikuchi | 5-7,5-7 |
| Davis Cup | 2018/02/03 11:00 | Benjamin Hassan v Cheng-Yu Yu | 5-7,6-3,6-4 |
| ITF Indonesia F8 | 2017/11/30 03:00 | N. Vijay Sundar Prashanth v Cheng-Yu Yu | 7-6,6-4 |
| ITF Indonesia F8 | 2017/11/29 04:00 | Cheng-Yu Yu v Mukund Sasikumar | 6-2,6-7,7-5 |
| ITF Indonesia F8 | 2017/11/28 03:30 | Ken Onoda v Cheng-Yu Yu | 1-6,2-6 |
| ITF Japan F5 | 2018/04/01 00:30 | Gengo Kikuchi v Shao-Fan Liu | 6-2,6-7,3-6 |
| ITF Japan F5 | 2018/03/31 00:30 | Gengo Kikuchi v Daisuke Sumizawa | 6-1,6-3 |
| ITF Japan F3 | 2018/03/20 06:00 | Tung-Lin Wu v Gengo Kikuchi | 6-2,6-3 |
| ITF Japan F3 | 2018/03/18 01:00 | Gengo Kikuchi v Kousuke Ogura | 6-3,6-2 |
| ITF Japan F3 | 2018/03/17 02:30 | Gengo Kikuchi v Ko Suzuki | 6-2,3-6,6-3 |
| ITF Japan F2 | 2018/03/11 04:00 | Gengo Kikuchi v Yuto Sakai | 2-6,2-6 |
| ITF Japan F1 | 2018/03/08 01:30 | Naoki Nakagawa v Gengo Kikuchi | 7-5,7-6 |
| ITF Japan F1 | 2018/03/07 01:00 | Cheng-Yu Yu v Gengo Kikuchi | 5-7,5-7 |