Stadium: Court 2 Round: 29 Ground: Hardcourt outdoor
| Challenger Ho Chi Minh City | 2016/10/14 07:50 | Yasutaka Uchiyama v Tatsuma Ito | 6-3,6-4 |
| ATP Tokyo | 2017/10/04 08:15 | Marin Cilic v Yasutaka Uchiyama | 6-3,6-4 |
| ATP Tokyo | 2017/10/02 08:35 | Yasutaka Uchiyama v Franko Skugor | 6-3,3-6,6-1 |
| ATP Chengdu Qual | 2017/09/23 09:35 | Mate Pavic v Yasutaka Uchiyama | 6-3,5-7,7-6 |
| Challenger Gwangju | 2017/09/20 01:30 | Matthias Bachinger v Yasutaka Uchiyama | 6-3,7-6 |
| Challenger Zhangjiagang | 2017/09/08 05:00 | Yasutaka Uchiyama v Hiroki Moriya | 3-6,5-7 |
| Challenger Zhangjiagang | 2017/09/07 04:35 | Yasutaka Uchiyama v Cheong-Eui Kim | 6-3,6-1 |
| Challenger Zhangjiagang | 2017/09/05 04:00 | Yasutaka Uchiyama v Zhizhen Zhang | 6-2,6-1 |
| US Open Qual | 2017/08/22 19:45 | Dennis Novikov v Yasutaka Uchiyama | 6-3,2-6,7-5 |
| ATP Tokyo Qual | 2017/09/30 04:40 | Tatsuma Ito v Stefanos Tsitsipas | 6-4,6-7,2-6 |
| Challenger Gwangju | 2017/09/23 01:50 | Tatsuma Ito v Matthias Bachinger | 6-7,3-6 |
| Challenger Gwangju | 2017/09/22 02:00 | Steven Diez v Tatsuma Ito | 2-6,4-6 |
| Challenger Gwangju | 2017/09/20 01:30 | Bradley Klahn v Tatsuma Ito | 5-7,6-1,3-6 |
| Challenger Gwangju | 2017/09/18 01:30 | Marc Polmans v Tatsuma Ito | 1-6,1-6 |
| Challenger Shanghai | 2017/09/13 04:20 | Omar Jasika v Tatsuma Ito | 4-6,6-3,7-5 |
| Challenger Shanghai | 2017/09/12 02:00 | Bradley Klahn v Tatsuma Ito | 6-3,2-6,6-7 |
| US Open Qual | 2017/08/24 15:00 | Vincent Millot v Tatsuma Ito | 6-0,6-4 |