Round: 29 Ground: Synthetic outdoor
| ITF Japan F5 | 2016/04/08 02:30 | Yosuke Watanuki v Kento Takeuchi | 6-1,6-2 |
| ITF Indonesia F4 | 2017/04/01 03:00 | Brydan Klein v Kento Takeuchi | 6-3,6-3 |
| ITF Indonesia F4 | 2017/03/31 03:00 | Kento Takeuchi v Jose Fco. Vidal Azorin | 6-3,6-4 |
| ITF Indonesia F4 | 2017/03/30 04:35 | Kento Takeuchi v Punn Bodhidatta | 6-4,6-3 |
| ITF Indonesia F4 | 2017/03/30 03:00 | Kento Takeuchi v Punnakrit Kritakara | 6-4,6-3 |
| ITF Indonesia F4 | 2017/03/29 04:40 | Kento Takeuchi v Conor Berg | 6-4,6-2 |
| Challenger Quanzhou Qual | 2017/03/18 04:30 | Kento Takeuchi v Andrea Pellegrino | 1-6,3-6 |
| Challenger Quanzhou Qual | 2017/03/18 02:00 | Zhao-Tai Li v Kento Takeuchi | 1-6,3-6 |
| Challenger Shenzhen Qual | 2017/03/12 02:50 | Kento Takeuchi v Marinko Matosevic | 3-6,5-7 |
| ITF Japan F4 | 2017/03/31 02:30 | Seong Chan Hong v Yosuke Watanuki | 7-5,6-4 |
| ITF Japan F4 | 2017/03/30 01:00 | Ken Onishi v Yosuke Watanuki | 2-6,5-7 |
| ITF Japan F4 | 2017/03/29 01:00 | Masaki Sasai v Yosuke Watanuki | 7-5,3-6,1-6 |
| ITF Japan F3 | 2017/03/20 04:00 | Jeamoon Lee v Yosuke Watanuki | 6-3,2-6,6-0 |
| Challenger Yokohama | 2017/02/28 01:00 | Yosuke Watanuki v Ze Zhang | 3-6,0-6 |
| Challenger Kyoto | 2017/02/24 06:00 | Yosuke Watanuki v Blaz Kavcic | 4-6,6-2,4-6 |
| Challenger Kyoto | 2017/02/22 08:10 | Ruben Bemelmans v Yosuke Watanuki | 6-1,4-6,6-7 |
| Challenger Kyoto | 2017/02/20 06:25 | Joris De Loore v Yosuke Watanuki | 4-6,6-3,6-7 |