| ITF - M15 Prijedor | 05/09 07:00 | 44 | Martinez Arjona, Samuel v Federico Campana | 2-6,3-6 | |
| ITF M15 Las Palmas | 04/25 09:00 | 44 | Alosha Ushakov, Nikita v Martinez Arjona, Samuel | 7-6,2-6,12-10 | |
| ITF - M25 Reus | 04/11 10:00 | 62 | Alexander Weis v Martinez Arjona, Samuel | 7-6,5-7,10-4 | |
| ITF - M25 La Nucia | 03/14 13:00 | 62 | Martinez Arjona, Samuel v Echevarri, Jesus | 6-7,6-2,7-10 | |
| ITF M15 La Nucia | 03/09 09:00 | 62 | Martinez Arjona, Samuel v Simon Beaupain | 1-6,2-6 | |
| ITF M15 La Nucia | 03/08 09:00 | 62 | Sigurdsson, Egill v Martinez Arjona, Samuel | 2-6,3-6 | |
| Murcia, Singles Qualifying M-ITF-ESP-05A | 03/02 15:30 | 44 | Oleg Prihodko v Martinez Arjona, Samuel | 7-5,7-6 | |
| Murcia, Singles Qualifying M-ITF-ESP-05A | 03/01 09:00 | 44 | Stepanian, Areg v Martinez Arjona, Samuel | 3-6,1-6 | |
| ITF M25 Gandia | 07/17 14:00 | 25 | Pedro Vives Marcos v Martinez Arjona, Samuel | 6-2,6-1 | |
| ITF Spain F31 | 10/06 09:00 | 44 | Martinez Arjona, Samuel v Gabarro, Xavier | 2-6,3-6 | |
| ITF Spain F21 Qual | 07/28 07:00 | 62 | Martinez Arjona, Samuel v Jaime Caldes | 3-6,1-6 | |
| ITF Spain F20 Qual | 07/21 11:00 | 62 | Martinez Arjona, Samuel v Guell Bartrina, Eduard | 3-6,1-6 | |
| ITF Spain F19 | 07/17 14:00 | 25 | Hidalgo, Diego v Martinez Arjona, Samuel | 6-1,6-0 | |
| ITF Spain F11 | 05/12 11:30 | 62 | Alvarez, Adria v Martinez Arjona, Samuel | 6-2,6-2 | |
| ITF Spain F7 | 03/17 09:30 | 60 | Pol Martin Tiffon v Martinez Arjona, Samuel | 3-6,6-1,6-3 | |
| ITF Spain F7 | 03/16 08:00 | 60 | Alvarez, Adria v Martinez Arjona, Samuel | 3-6,4-6 | |
| ITF Spain F6 Qual | 03/11 09:00 | 62 | Pasquale De Giorgio v Martinez Arjona, Samuel | 6-1,3-6,6-1 | |
| ITF Spain F6 Qual | 03/10 09:15 | 62 | Martinez Arjona, Samuel v Banicevic, Igor | 6-2,6-0 | |
| ITF Spain F33 | 10/07 09:00 | 62 | Alex M Pujolras v Martinez Arjona, Samuel | 6-0,6-4 | |
| ITF Spain F23 Qual | 07/22 07:00 | 62 | Martinez Arjona, Samuel v Sebaoun, Leo Julien | 0-6,1-6 | |
| ITF Spain F22 Qual | 07/16 11:30 | 62 | Knight, Alexander v Martinez Arjona, Samuel | 6-0,6-2 | |
| ITF Spain F21 Qual | 07/08 09:00 | 62 | Martinez Arjona, Samuel v Klimov, Daniil | 4-6,6-2,0-6 | |
| ITF Spain F23 Qual | 07/23 09:30 | 62 | Monsonis Uso, Jose Vicent v Martinez Arjona, Samuel | 6-4,6-1 | |
| ITF Spain F22 Qual | 07/16 11:00 | 62 | Martinez Arjona, Samuel v Evtimov, Gabriel | 3-6,1-6 | |
| ITF Spain F21 Qual | 07/09 09:00 | 62 | Bondarevskiy, Yan v Martinez Arjona, Samuel | 6-1,6-1 |