| ITF M25 Sabadell | 09/24 07:30 | 62 | Joan Busoms Puig v Sergio Callejon Hernando | 1-6,4-6 | |
| ITF M25 Madrid | 09/12 12:05 | 25 | 다마스, 미구엘 v Sergio Callejon Hernando | 7-6,6-4 | |
| ITF M15 Madrid | 09/06 13:15 | 25 | Sergio Callejon Hernando v 질, 펠릭스 | 2-6,2-6 | |
| ITF M25 Oviedo | 08/30 14:30 | 26 | Sergio Callejon Hernando v 기메노 발레로, 카를로스 | 1-6,4-6 | |
| ITF M25 Oviedo | 08/30 08:30 | 25 | Lopez San Martin, Alvaro v Sergio Callejon Hernando | Retired | |
| ITF M25 Oviedo | 08/28 17:45 | 54 | Sergio Callejon Hernando v Alejandro T Alvarez | 6-2,6-3 | |
| ITF M25 Oviedo | 08/28 10:30 | 54 | Sergio Callejon Hernando v 마르티네즈 알조나, 사무엘 | 6-4,7-5 | |
| ITF M25 Santander | 08/23 17:00 | 26 | 니부어, 리얀 v Sergio Callejon Hernando | 6-1,7-6 | |
| ITF M25 Santander | 08/22 08:00 | 25 | Sergio Callejon Hernando v Iker Urribarrens Ramirez | 6-2,2-6,6-3 | |
| ITF M25 Santander | 08/21 09:00 | 54 | Sergio Callejon Hernando v Carlos Guerrero Alvarez | 6-4,6-3 | |
| ITF M25 Santander | 08/20 09:00 | 54 | Sergio Callejon Hernando v Jiri Cizek | 6-2,6-4 | |
| ITF M15 Xativa | 08/04 16:25 | 27 | 니부어, 리얀 v Sergio Callejon Hernando | 6-2,6-3 | |
| ITF M15 Xativa | 08/03 15:00 | 26 | Fnu Nidunjianzan v Sergio Callejon Hernando | 3-6,3-6 | |
| ITF M15 Xativa | 08/02 20:25 | 25 | Sergio Callejon Hernando v Martinez Martinez, Jorge | 6-3,6-1 | |
| ITF M15 Xativa | 08/01 08:45 | 62 | 몰리노, 자비엘 v Sergio Callejon Hernando | 7-6,5-7,2-10 | |
| ITF M15 Xativa | 07/31 15:00 | 62 | Alemany, Pablo v Sergio Callejon Hernando | 4-6,2-6 | |
| ITF M15 Xativa | 07/30 15:00 | 62 | Felix Mischker v Sergio Callejon Hernando | 6-7,1-6 | |
| ITF M25 Denia | 07/24 09:00 | 62 | Sergio Callejon Hernando v 몰리노, 자비엘 | 5-7,7-6,7-10 | |
| ITF M25 Denia | 07/23 08:00 | 62 | Samuel Kyjaci v Sergio Callejon Hernando | 1-6,0-6 | |
| ITF M25 Bakio | 06/25 13:40 | 54 | Marc Saura Moragrega v Sergio Callejon Hernando | 6-4,6-4 | |
| ITF M25 Cordoba | 06/05 18:00 | 62 | Manzanera Pertusa, Alejandro v Sergio Callejon Hernando | 6-3,2-6,10-8 | |
| ITF M25 Cordoba | 06/05 08:00 | 62 | Sergio Callejon Hernando v David Munoz | 6-0,3-6,10-7 | |
| ITF M25 Cordoba | 06/04 12:30 | 62 | Sergio Callejon Hernando v 이브라기모프, 라일 | 6-0,6-3 | |
| Telde, Singles M-ITF-ESP-31A | 04/19 08:00 | 25 | Sergio Callejon Hernando v 쿠에바스, 마르틴 | 7-5,3-6,4-6 | |
| Telde, Singles M-ITF-ESP-31A | 04/17 08:00 | 54 | Francisco, Luis v Sergio Callejon Hernando | 4-6,3-6 | |
| Telde, Singles M-ITF-ESP-31A | 04/16 11:30 | 54 | Noah Lopez Cherubino v Sergio Callejon Hernando | 5-7,3-6 | |
| ITF M25 Palmanova | 03/23 10:50 | 26 | Sergio Callejon Hernando v 페라리, 지안마르코 | 1-6,2-6 | |
| ITF M25 Palmanova | 03/22 10:25 | 25 | Noah Regas Luis v Sergio Callejon Hernando | 7-6,3-6,6-7 | |
| ITF M25 Palmanova | 03/21 10:50 | 62 | Carlos Giraldi v Sergio Callejon Hernando | 5-7,6-7 | |
| ITF M25 Palmanova | 03/20 12:00 | 62 | Sergio Callejon Hernando v Francisco, Luis | 7-5,7-5 |