Round: 27 Ground: Hardcourt outdoor
| ITF Hong Kong F1 | 2017/01/04 04:50 | Ken Onishi v Pak Long Yeung | 6-4,6-2 |
| ITF Hong Kong F1 | 2017/01/02 02:00 | Ken Onishi v Jui-Chen Hung | 6-3,7-5 |
| ITF Hong Kong F5 | 2016/12/27 23:00 | Jumpei Yamasaki v Ken Onishi | 7-6,6-4 |
| ITF Hong Kong F5 | 2016/12/26 23:00 | Wei-De Lin v Ken Onishi | 6-7,3-6 |
| Others | 2016/11/12 02:10 | Ken Onishi v Arata Onozawa | 3-6,4-6 |
| Challenger Kobe | 2016/11/09 05:00 | Ken Onishi v Go Soeda | 0-6,6-7 |
| Challenger Kobe | 2016/11/08 02:00 | Makoto Ochi v Ken Onishi | 3-6,1-6 |
| ITF Vietnam F9 | 2016/11/01 04:10 | Evan Song v Ken Onishi | 2-6,6-4,6-2 |
| ITF Hong Kong F1 | 2017/01/04 02:00 | Hei Yin Andrew Li v Takuto Niki | 1-6,3-6 |
| ITF Hong Kong F1 | 2017/01/03 03:45 | Daisuke Sumizawa v Takuto Niki | 1-6,0-6 |
| ITF Hong Kong F5 | 2016/12/27 23:00 | Sora Fukuda v Takuto Niki | 6-4,7-6 |
| ITF Hong Kong F5 | 2016/12/26 23:00 | Chung Han Tsai v Takuto Niki | 2-6,3-6 |
| Challenger Toyota | 2016/11/15 03:50 | Takuto Niki v Hiroki Moriya | 4-6,4-6 |
| Others | 2016/11/05 05:15 | Takuto Niki v Sho Shimabukuro | 6-3,3-6,5-7 |
| ITF Chinese Taipei F2 | 2016/10/23 01:30 | Jumpei Yamasaki v Takuto Niki | 6-4,5-7,3-6 |
| ITF Chinese Taipei F2 | 2016/10/22 02:00 | Kuan-Yi Lee v Takuto Niki | 6-2,4-6,2-6 |