Round: 25 Ground: Clay
| ITF Spain F25 | 2016/08/08 15:00 | Fernandez Labarta, Luis v Uspensky, Dennis | 1-6,2-6 |
| ITF Spain F26 Qual | 2015/08/16 08:00 | Nuno Borges v Fernandez Labarta, Luis | 6-1,6-1 |
| ITF Spain F24 | 2015/08/01 17:00 | Fernandez Labarta, Luis v Neubau, Marco | 0-6,3-6 |
| ITF Spain F25 | 2016/08/11 09:30 | Viktor Durasovic v Watanuki, Yusuke | 6-3,6-3 |
| ITF Spain F25 | 2016/08/10 10:50 | Mancineiras Cornella, Oscar v Watanuki, Yusuke | 1-6,0-6 |
| ITF Spain F24 | 2016/08/04 09:00 | Mertens, Yannick v Watanuki, Yusuke | 6-4,6-4 |
| ITF Spain F24 | 2016/08/02 18:30 | Watanuki, Yusuke v Montalvo Hidalgo, Manuel | 6-4,6-1 |
| ITF Japan F8 | 2016/06/19 02:00 | Kikuchi, Gengo v Watanuki, Yusuke | 4-6,7-6,6-0 |
| ITF Japan F8 | 2016/06/18 03:15 | Watanuki, Yusuke v Renta Tokuda | 7-5,6-2 |
| ITF Japan F8 | 2016/06/17 03:40 | Sho Shimabukuro v Watanuki, Yusuke | 6-7,1-6 |
| ITF Japan F8 | 2016/06/16 03:20 | Yuta Shimizu v Watanuki, Yusuke | 3-6,6-3,4-6 |