Round: 27 Ground: Clay
| Spain F30, Singles | 2017/09/21 08:30 | Colas Sanchez, Alberto v Olaso, Guillermo | 1-6,2-6 |
| Spain F30, Singles | 2017/09/19 10:25 | Sorni Chavarria, Quim v Olaso, Guillermo | 3-6,1-6 |
| ITF Spain F30 Qual | 2017/09/18 10:20 | Olaso, Guillermo v Butler, Harry | 6-1,6-2 |
| ITF Spain F30 Qual | 2017/09/17 12:30 | Olaso, Guillermo v Moura, Hugo | 6-1,6-0 |
| Challenger Alphen Qual | 2017/09/03 12:30 | Cagnina, Julien v Olaso, Guillermo | 3-6,6-1,6-3 |
| Challenger Alphen Qual | 2017/09/03 09:00 | Bednarek, Tomasz v Olaso, Guillermo | 0-6,0-6 |
| ITF Turkey F27 | 2017/07/30 08:00 | Cuevas, Martin v Olaso, Guillermo | 4-6,6-3,4-6 |
| ITF Turkey F27 | 2017/07/28 08:00 | Olaso, Guillermo v Carli, Christian | 6-2,6-2 |
| Spain F30, Singles | 2017/09/21 11:00 | Guttierrez-Ferrol, Sergio v Munoz-De la Nava, Daniel | 1-6,4-6 |
| Spain F30, Singles | 2017/09/20 08:30 | Pla Malfeito, Jaume v Munoz-De la Nava, Daniel | 3-6,5-7 |
| ITF Spain F29 | 2017/09/16 18:30 | Munoz-De la Nava, Daniel v Pedro Cachin | 7-6,6-2 |
| ITF Spain F29 | 2017/09/15 18:45 | Pedro Martinez v Munoz-De la Nava, Daniel | 3-6,3-6 |
| ITF Spain F29 | 2017/09/14 16:30 | Granollers, Gerard v Munoz-De la Nava, Daniel | 2-6,7-5,6-7 |
| ITF Spain F29 | 2017/09/13 16:30 | Javier Barranco Cosano v Munoz-De la Nava, Daniel | 3-6,3-6 |
| ITF Spain F29 | 2017/09/12 11:05 | Mas Mascolo, Adria v Munoz-De la Nava, Daniel | 3-6,2-6 |
| Challenger Alphen | 2017/09/05 10:00 | Munoz-De la Nava, Daniel v Constant Lestienne | 4-6,2-6 |