| ITF - M15 Santiago | 04/15 14:00 | 62 | Gino Romano v Santibanez, Sebastian | 7-5,6-2 | |
| ITF M15 Concepcion | 12/10 14:30 | 54 | Alberto Odiseo Alvarado Berrospi v Santibanez, Sebastian | 6-4,6-3 | |
| Challenger Temuco | 11/26 14:05 | 14 | Santibanez, Sebastian v Juan Carlos Aguilar | 3-6,0-6 | |
| ITF M25 Heraklion | 10/29 07:00 | 44 | Santibanez, Sebastian v Jacques-Kai Inoue | 6-7,1-6 | |
| ITF - M15 Héraklion | 10/16 06:30 | 44 | Santibanez, Sebastian v Maciej Matuszczyk | 3-6,3-6 | |
| ITF M15 Trier | 08/21 15:00 | 54 | Santibanez, Sebastian v Dominique Graf | 1-6,2-6 | |
| ITF M15 Trier | 08/21 09:30 | 54 | Raghav Jaisinghani v Santibanez, Sebastian | 5-7,6-0,8-10 | |
| ITF M15 Ueberlingen | 08/14 14:00 | 54 | Santibanez, Sebastian v Davud Amirov | 2-6,1-6 | |
| ITF M15 Eupen | 08/07 10:00 | 62 | Lawrence Sciglitano v Santibanez, Sebastian | 5-7,6-2,14-12 | |
| UTR Pro Pozos | 01/22 15:00 | - | Alexander Aney v Santibanez, Sebastian | 6-4,6-0 | |
| UTR Pro Pozos | 01/21 19:30 | - | Kyle Overmyer v Santibanez, Sebastian | 4-6,1-6 | |
| UTR Pro Pozos | 01/21 00:37 | - | Daniel Salazar v Santibanez, Sebastian | 3-6,6-4,6-2 | |
| UTR Pro Pozos | 01/19 18:00 | - | Ignacio Buse v Santibanez, Sebastian | 6-1,6-0 | |
| UTR Pro Pozos | 01/18 18:00 | - | Eduardo Yahir Orozco Rangel v Santibanez, Sebastian | 3-6,6-4,6-2 | |
| UTR Pro Pozos | 01/16 19:00 | - | Milan Drinic v Santibanez, Sebastian | 4-6,3-5 | |
| UTR Pro Pozos | 01/14 19:40 | - | Gerardo L Vi’senor v Santibanez, Sebastian | 6-3,6-4 | |
| UTR Pro Pozos | 01/13 17:30 | - | Santibanez, Sebastian v Parker Bradbary | 6-0,6-2 | |
| UTR Pro Pozos | 01/12 19:00 | - | Santibanez, Sebastian v Ignacio Buse | 3-6,2-5 | |
| UTR Pro Pozos | 01/11 22:00 | - | Marshall Tutu v Santibanez, Sebastian | 6-0,6-4 | |
| UTR Pro Pozos | 01/10 17:30 | - | Achondo, Gonzalo v Santibanez, Sebastian | 4-6,6-2,6-6 | |
| Challenger Temuco | 11/20 15:45 | 14 | Santibanez, Sebastian v Castro, Cristobal | 7-6,1-6,2-6 | |
| ITF M15 Trier | 08/22 08:00 | 54 | Max Stenzer v Santibanez, Sebastian | 6-1,7-6 | |
| ITF M15 Ueberlingen | 08/16 08:00 | 54 | Jannik Maute v Santibanez, Sebastian | 6-3,6-2 | |
| ITF M15 Ueberlingen | 08/15 12:00 | 54 | Franchini, Santiago Pedro v Santibanez, Sebastian | 1-6,6-2,8-10 | |
| ITF M25 Padova | 08/07 07:30 | 44 | Santibanez, Sebastian v Scomparin, Pietro Romeo | 1-6,2-6 | |
| ITF M25 Bolzano | 07/31 16:00 | 54 | Lorenzo Bresciani v Santibanez, Sebastian | 6-2,6-2 | |
| ITF M15 Quito | 06/14 15:00 | 62 | Santibanez, Sebastian v Mateo Barreiros Reyes | 5-7,3-6 | |
| ITF M15 Quito | 06/13 15:00 | 62 | Henrique Hamamoto Ushizima v Santibanez, Sebastian | 4-6,4-6 | |
| ITF M15 Quito | 06/12 14:00 | 62 | Santibanez, Sebastian v Fernando Cavallo | 6-3,4-6,10-5 | |
| ITF M15 Quito | 06/08 15:55 | 25 | Santibanez, Sebastian v Nicolas Buitrago | 4-6,7-6,4-6 |