| ITF Colombia F9 | 11/30 14:40 | 25 | Serrano, Sebastian v 포르탈루리, 조지오 | 4-6,5-7 | |
| ITF Colombia F8 | 11/22 19:35 | 25 | Serrano, Sebastian v 호요스 프란코, 알레잔드로 | 6-7,3-6 | |
| ITF Colombia F7 | 11/16 15:00 | 26 | Serrano, Sebastian v 고메즈, 주안 세바스티안 | 6-2,5-7,5-7 | |
| ITF Colombia F7 | 11/15 15:00 | 25 | Serrano, Sebastian v 코르도니어, 그레고리오 | 7-6,6-3 | |
| Bogota, Colombia, Qualifying | 11/06 16:00 | 46 | 고메즈, 알레잔드로 v Serrano, Sebastian | 6-1,6-2 | |
| Bogota, Colombia, Qualifying | 11/05 19:35 | 45 | Serrano, Sebastian v 벤데크, 조세 다니엘 | 6-2,6-2 | |
| ITF Colombia F6 | 10/15 16:00 | 44 | 로페즈, 주안 마누엘 v Serrano, Sebastian | Walkover | |
| ITF Colombia F5 | 10/11 18:15 | 25 | Serrano, Sebastian v Santos, Nicolas | 1-6,2-6 | |
| ITF Colombia F4 | 10/07 17:45 | 27 | Serrano, Sebastian v 바리오스 베라, 마르셀로 토마스 | 2-6,1-6 | |
| ITF Colombia F4 | 10/06 15:00 | 26 | Serrano, Sebastian v 보이엘, 더스티 H | 4-6,6-3,6-3 | |
| ITF Colombia F4 | 10/04 14:00 | 44 | 벤데크, 조세 다니엘 v Serrano, Sebastian | 3-6,6-2,6-7 | |
| ITF Colombia F4 | 10/01 15:00 | 44 | Uribe, Pedro v Serrano, Sebastian | 1-6,3-6 | |
| Others | 09/24 17:10 | 45 | Serrano, Sebastian v 바릴라스, 주안 파블로 | 4-6,0-6 | |
| Meerbusch, Germany, Qualifying | 08/14 11:30 | 46 | Vasilevski, Andrei v Serrano, Sebastian | 6-3,6-4 | |
| Meerbusch, Germany, Qualifying | 08/13 11:30 | 45 | Serrano, Sebastian v Grandon Diaz, Cristobal | 2-6,6-2,6-3 | |
| ITF Germany F9 | 08/01 18:00 | 62 | Serrano, Sebastian v 왈더, 조르디 | 6-4,4-6,3-6 | |
| ITF Germany F9 | 08/01 08:00 | 62 | 케이스트, 루카 v Serrano, Sebastian | 2-6,6-7 | |
| ITF USA F11 Qual | 03/19 16:00 | 62 | Serrano, Sebastian v Austin, Gonzales | 6-2,4-6,5-7 | |
| ITF USA F9 Qual | 02/28 14:00 | 60 | Montero, Jorge v Serrano, Sebastian | 7-5,6-0 | |
| ITF USA F8 Qual | 02/20 16:30 | 60 | Serrano, Sebastian v Austin, Gonzales | 2-6,0-6 | |
| Challenger Santo Domingo Qual | 02/06 16:00 | 45 | Serrano, Sebastian v 로엘로프스, 루안 | 5-7,4-6 | |
| ITF USA F4 | 01/15 15:00 | 60 | Serrano, Sebastian v 쿠이로즈, 로베르토 | 0-6,0-6 | |
| ITF USA F3 Qual | 01/08 18:30 | 60 | Hui, Tian Xiang v Serrano, Sebastian | 6-0,7-5 |