| ITF - M15 Brcko | 05/20 12:30 | 44 | Martinez Arjona, Samuel v Tymur Bieldiugin | 2-6,1-6 | |
| ITF - M15 Prijedor | 05/13 07:00 | 44 | Martinez Arjona, Samuel v Christian Fellin | 3-6,4-6 | |
| ITF - M15 Alaminos-Larnaca | 03/11 07:30 | 44 | Zekic, Miljan v Martinez Arjona, Samuel | 6-0,6-2 | |
| ITF - M25 Hammamet | 02/19 11:00 | 62 | Martinez Arjona, Samuel v Shin, Maksim | 3-6,6-4,1-10 | |
| ITF - M25 Hammamet | 02/13 11:00 | 25 | Maxence Bertimon v Martinez Arjona, Samuel | 6-2,7-5 | |
| ITF - M25 Hammamet | 02/05 08:00 | 62 | Martinez Arjona, Samuel v Ferdinand Kloesters | 3-6,1-6 | |
| ITF - M25 Hammamet | 02/04 08:00 | 62 | Martinez Arjona, Samuel v Giovanni Agostinetto | 6-2,6-2 | |
| ITF M25 Madrid | 11/27 11:00 | 62 | David Naharro v Martinez Arjona, Samuel | 6-4,0-6,10-5 | |
| ITF M25 Madrid | 11/26 13:30 | 62 | Martinez Arjona, Samuel v Enrique Bogo | 7-6,6-4 | |
| ITF M15 Alcala De Henares | 11/20 11:30 | 62 | Martins Rocens v Martinez Arjona, Samuel | 6-2,6-0 | |
| ITF M15 Valencia | 11/12 10:00 | 62 | Georgii Kravchenko v Martinez Arjona, Samuel | 6-2,5-7,10-7 | |
| ITF M25 Benicarlo | 11/05 14:30 | 62 | Pujol Navarro, Bruno v Martinez Arjona, Samuel | 6-4,6-4 | |
| Castellon, Singles Qualifying M-ITF-ESP-34A | 10/15 08:30 | 62 | Martinez Arjona, Samuel v Stijn Slump | 1-6,3-6 | |
| ITF M25 Madrid | 09/10 15:00 | 62 | Asier Civera Martinez v Martinez Arjona, Samuel | 2-6,6-1,10-6 | |
| ITF M15 Madrid | 09/03 14:00 | 62 | Martinez Arjona, Samuel v Peetu Pohjola | 4-6,4-6 | |
| ITF M25 Oviedo | 08/28 10:30 | 54 | Sergio Callejon Hernando v Martinez Arjona, Samuel | 6-4,7-5 | |
| ITF M25 Santander | 08/20 09:00 | 54 | Martinez Arjona, Samuel v Mikel Martinez | 7-6,0-6,13-15 | |
| ITF M25 Denia | 07/26 14:30 | 25 | Andrey Chepelev v Martinez Arjona, Samuel | 6-2,6-2 | |
| ITF M25 Gandia | 07/19 09:30 | 25 | Martinez Arjona, Samuel v Murkel Dellien | 3-6,0-6 | |
| ITF - M15 Monastir | 06/26 08:00 | 62 | Koenig, Luc v Martinez Arjona, Samuel | 6-0,6-2 | |
| ITF - M15 Monastir | 06/18 12:00 | 62 | Martinez Arjona, Samuel v Melnic, Vladislav | 6-7,2-6 | |
| ITF - M15 Monastir | 06/12 14:00 | 62 | Oscar Lacides v Martinez Arjona, Samuel | 6-2,6-2 | |
| ITF - M15 Monastir | 06/12 08:30 | 62 | Martinez Arjona, Samuel v Beren Tan | 6-1,6-2 | |
| ITF - M15 Monastir | 06/11 10:00 | 62 | Martinez Arjona, Samuel v Ignasi Forcano | 6-3,4-6,10-3 | |
| ITF M25 La Nucia | 05/29 09:30 | 62 | Pinto Sansano, Oscar v Martinez Arjona, Samuel | 5-7,7-5,10-4 | |
| ITF - M15 Antalya | 05/16 10:50 | 25 | Martinez Arjona, Samuel v Aleksandre Metreveli | 2-6,2-6 | |
| ITF - M15 Antalya | 05/08 12:10 | 62 | Ilia Simakin v Martinez Arjona, Samuel | 6-1,6-0 | |
| ITF - M15 Antalya | 05/07 07:00 | 62 | Cedric Stanke v Martinez Arjona, Samuel | 1-6,5-7 | |
| ITF - M15 Telde | 04/16 13:30 | 54 | Noah Lopez v Martinez Arjona, Samuel | 6-3,4-6,10-4 | |
| ITF - M15 Telde | 04/09 09:00 | 54 | Martinez Arjona, Samuel v Alen Moritz Hodzic | 4-6,0-6 |