Stadium: Court 4 Round: 46
| Challenger Toyota Qual | 2017/11/11 00:30 | Sho Shimabukuro v Jackson Withrow | 3-6,6-7 |
| Challenger Shenzhen 2 Qual | 2017/10/28 05:30 | Roman Safiullin v Jackson Withrow | 3-6,6-4,6-3 |
| Challenger Busan Qual | 2017/05/13 06:00 | Jackson Withrow v Ruan Roelofse | 4-6,6-3,6-7 |
| Challenger Seoul Qual | 2017/05/06 02:20 | Jackson Withrow v Bradley Mousley | 6-7,4-6 |
| Challenger Anning Qual | 2017/04/23 02:00 | Sadio Doumbia v Jackson Withrow | 6-1,6-4 |
| Challenger Anning Qual | 2017/04/22 02:00 | Ruikai Wang v Jackson Withrow | 2-6,3-6 |
| Challenger Morelos Qual | 2017/02/18 19:10 | Jackson Withrow v Luke Bambridge | 6-7,3-6 |
| Challenger Maui Qual | 2017/01/23 21:10 | Roberto Quiroz v Jackson Withrow | 6-4,6-2 |
| Challenger Kobe Qual | 2017/11/06 03:40 | Lucas Miedler v Takuto Niki | 4-6,6-3,6-3 |
| Challenger Kobe Qual | 2017/11/05 05:40 | Takuto Niki v Shintaro Imai | 6-3,6-4 |
| Challenger Kobe Qual | 2017/11/04 06:30 | Issei Okamura v Takuto Niki | 6-3,2-6,2-6 |
| ATP Chengdu Qual | 2017/09/23 08:10 | Takuto Niki v Marcos Giron | 2-6,5-7 |
| Challenger Gwangju | 2017/09/19 03:15 | Soonwoo Kwon v Takuto Niki | 6-4,6-1 |
| Challenger Shanghai | 2017/09/12 02:00 | Zihao Xia v Takuto Niki | 2-6,7-6,6-1 |
| Challenger Zhangjiagang | 2017/09/06 05:00 | Yusuke Takahashi v Takuto Niki | 7-5,6-1 |
| Challenger Jinan | 2017/08/07 02:00 | Takuto Niki v Dayne Kelly | 2-6,3-6 |