| ITF Singapore F3 | 2018/05/28 05:00 | Cheng-Yu Yu v Jacob Grills | 7-6,3-6,3-6 |
| ITF Singapore F2 | 2018/05/22 03:35 | Blake Ellis v Cheng-Yu Yu | 6-3,6-4 |
| ITF Vietnam F3 | 2018/05/18 03:00 | Cheng-Yu Yu v Pruchya Isarow | 6-3,3-6,5-7 |
| ITF Vietnam F3 | 2018/05/17 03:00 | Cheng-Yu Yu v Alexios Halebian | 6-4,6-2 |
| ITF Vietnam F3 | 2018/05/16 03:00 | Cheng-Yu Yu v Gengo Kikuchi | 6-3,6-1 |
| ITF Vietnam F3 | 2018/05/15 04:35 | Cheng-Yu Yu v Alexander Crnokrak | 6-2,6-1 |
| 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 Singapore F3 | 2018/05/29 04:05 | Takuto Niki v Congsup Congcar | 5-7,1-6 |
| ITF Singapore F2 | 2018/05/26 03:00 | Takuto Niki v Collin Altamirano | 6-7,3-6 |
| ITF Singapore F2 | 2018/05/24 03:00 | Daniel Nolan v Takuto Niki | 6-1,6-7,4-6 |
| ITF Singapore F2 | 2018/05/23 02:00 | Takuto Niki v Nicholas S. Hu | 6-4,6-4 |
| ITF Singapore F2 | 2018/05/22 03:50 | James Frawley v Takuto Niki | 6-2,4-6,1-6 |
| Challenger Seoul Qual | 2018/04/28 03:05 | Ho-Gi Kang v Takuto Niki | 6-7,6-2,0-6 |
| ITF Japan F6 | 2018/04/11 01:00 | Makoto Ochi v Takuto Niki | 7-5,6-3 |
| ITF Japan F5 | 2018/04/04 01:00 | Takuto Niki v Hiroyasu Ehara | 2-6,6-2,4-6 |