Stadium: Central Round: 62 Ground: Clay
| ITF M25 Bakio | 2021/06/28 13:00 | Ivan Bas Mengual v Rafael Mazon-Hernandez | 6-3,6-1 |
| ITF M15 Marbella | 2021/05/23 12:30 | Rafael Mazon-Hernandez v Alex Martinez | 5-7,1-6 |
| ITF M25 Reus | 2021/04/11 07:00 | Arthur Fils v Rafael Mazon-Hernandez | 6-3,6-2 |
| ITF M25 La Nucia | 2021/03/14 08:00 | Rafael Mazon-Hernandez v Simon Beaupain | 1-6,2-6 |
| ITF M15 La Nucia | 2021/03/08 09:00 | Rafael Mazon-Hernandez v Simon Beaupain | 2-6,1-6 |
| ITF M15 Benicarlo | 2020/11/22 14:00 | Rafael Mazon-Hernandez v Stefan Loncar | 5-7,3-6 |
| ITF M25 Murcia | 2020/03/01 12:00 | Gerard Granollers-Pujol v Rafael Mazon-Hernandez | 6-1,6-1 |
| ITF M15 Paguera | 2020/02/16 09:30 | Rafael Mazon-Hernandez v Paul Valsecchi | 6-4,6-7,11-13 |
| ITF USA F32 | 2018/11/10 18:00 | Sergio G Montesa v Boris Kozlov | 6-7,4-6 |
| ITF USA F30 | 2018/11/04 16:00 | Sergio G Montesa v Chase Ferguson | 3-6,4-6 |
| ITF USA F30 | 2018/11/03 16:00 | Sergio G Montesa v Alan Magadan | 6-0,6-1 |
| ITF Spain F21 Qual | 2018/07/28 07:00 | Zakhar Trapeznikov v Sergio G Montesa | 4-6,6-4,6-2 |
| ITF Spain F20 Qual | 2018/07/22 08:30 | Sergio G Montesa v Loic Perret | 6-7,7-6,2-6 |
| ITF Spain F20 Qual | 2018/07/21 08:30 | Sergio G Montesa v Hans Albert Schubert | 6-1,6-7,7-6 |
| ITF Spain F5 | 2018/02/10 13:30 | Francisco Andreu Garcia v Sergio G Montesa | 2-6,6-1,6-0 |
| ITF Spain F1 | 2018/01/13 09:00 | Sergio G Montesa v Samy Grace | 2-6,7-5,6-7 |