Round: 26 Ground: Clay
| ITF Spain F25 | 2016/08/07 15:00 | Alen Avidzba v Aitor S Llopis | 6-2,1-6,6-3 |
| ITF Spain F23 Qual | 2016/07/25 08:00 | Abhinav Sanjeev Shanmugam v Aitor S Llopis | 3-6,6-2,4-6 |
| ITF Spain F23 Qual | 2016/07/24 09:30 | Aitor S Llopis v Leo Julien Sebaoun | 6-4,6-1 |
| ITF Spain F23 Qual | 2016/07/23 12:00 | Nicolas Grandjean v Aitor S Llopis | 4-6,1-6 |
| ITF Spain F25 | 2016/08/11 09:30 | Viktor Durasovic v Yusuke Watanuki | 6-3,6-3 |
| ITF Spain F25 | 2016/08/10 10:50 | Oscar M Cornella v Yusuke Watanuki | 1-6,0-6 |
| ITF Spain F24 | 2016/08/04 09:00 | Yannick Mertens v Yusuke Watanuki | 6-4,6-4 |
| ITF Spain F24 | 2016/08/02 18:30 | Yusuke Watanuki v Manuel Montalvo Hidalgo | 6-4,6-1 |
| ITF Japan F8 | 2016/06/19 02:00 | Gengo Kikuchi v Yusuke Watanuki | 4-6,7-6,6-0 |
| ITF Japan F8 | 2016/06/18 03:15 | Yusuke Watanuki v Renta Tokuda | 7-5,6-2 |
| ITF Japan F8 | 2016/06/17 03:40 | Sho Shimabukuro v Yusuke Watanuki | 6-7,1-6 |
| ITF Japan F8 | 2016/06/16 03:20 | Yuta Shimizu v Yusuke Watanuki | 3-6,6-3,4-6 |