| ITF Tunisia F31 | 11/10 08:30 | 26 | Mas Mascolo, Adria v Villarruel, Santiago | 6-2,6-4 | |
| ITF Tunisia F31 | 11/08 08:30 | 25 | Villarruel, Santiago v Carli, Cristian | 6-2,3-6,7-5 | |
| ITF Tunisia F31 | 11/05 08:30 | 44 | Villarruel, Santiago v Rodrigues Girotto, Alexandre Gabriel | 6-3,6-3 | |
| ITF Tunisia F30 | 11/01 08:30 | 25 | Villarruel, Santiago v 보로닌, 디미트리 | 5-7,2-6 | |
| ITF Tunisia F30 | 10/29 09:00 | 54 | Villarruel, Santiago v 링크, 조엘 빈센트 | 7-5,6-1 | |
| ITF Tunisia F29 | 10/23 08:30 | 44 | Sardella, Edoardo v Villarruel, Santiago | 7-6,5-7,7-5 | |
| Tunisia F28, Singles Qualifying | 10/21 11:25 | 27 | 길, 프레드 v Villarruel, Santiago | 6-2,6-0 | |
| Tunisia F28, Singles Qualifying | 10/20 13:15 | 26 | Villarruel, Santiago v 카브랄, 프란시스코 | 6-1,7-5 | |
| Tunisia F28, Singles Qualifying | 10/18 11:50 | 25 | Villarruel, Santiago v Hossam, Karim | 6-2,6-4 | |
| Tunisia F28, Singles Qualifying | 10/17 09:00 | 44 | 보브로브, 보그단 v Villarruel, Santiago | 4-6,2-6 | |
| ITF Tunisia F27 | 10/13 12:45 | 26 | 본지, 벤자민 v Villarruel, Santiago | 6-4,6-2 | |
| ITF Tunisia F27 | 10/11 08:30 | 25 | Villarruel, Santiago v 룰리, 그레고리오 | 3-6,6-2,6-4 | |
| ITF Tunisia F27 | 10/10 11:00 | 44 | Villarruel, Santiago v Mesquida Berg, Alex | 6-0,6-1 | |
| ITF Tunisia F27 | 10/09 11:00 | 44 | Villarruel, Santiago v 데르도이, 펠리프 | 7-5,6-1 | |
| ITF Argentina F9 | 06/01 22:00 | 26 | Villarruel, Santiago v 코리아, 페데리코 | 1-6,2-6 | |
| ITF Argentina F9 | 05/30 22:00 | 62 | Villarruel, Santiago v Reche, Tomas | 1-6,6-3,6-0 | |
| ITF Argentina F9 | 05/28 22:00 | 62 | Villarruel, Santiago v Gasperini, Lourenzo | 6-2,7-5 | |
| ITF Argentina F9 | 05/27 22:00 | 62 | Villarruel, Santiago v 아란구렌, 프란시스코 | 6-2,6-2 | |
| ITF Argentina F8 | 05/23 22:00 | 25 | Grimolizzi, Gaston-Arturo v Villarruel, Santiago | 6-0,6-1 | |
| ITF Argentina F6 | 05/08 12:00 | 62 | 오테구이, 주안 바우티스타 v Villarruel, Santiago | 6-4,6-0 | |
| ITF Argentina F5 | 05/03 14:50 | 25 | Villarruel, Santiago v 에게아, 프란코 에마누엘 | 2-6,4-6 | |
| ITF Argentina F5 | 05/01 13:00 | 62 | Michaux, Alejo v Villarruel, Santiago | 3-6,0-6 | |
| ITF Argentina F5 | 04/30 12:00 | 62 | 카로우, 이그나시오 v Villarruel, Santiago | 1-6,1-6 | |
| ITF Argentina F3 | 03/12 11:30 | 62 | Villarruel, Santiago v 피코비치, 주안 파블로 | 4-6,3-6 | |
| ITF Argentina F2 | 03/08 16:00 | 25 | 페나 로페즈, 마누엘 v Villarruel, Santiago | 6-2,6-0 | |
| ITF Argentina F2 | 03/07 12:30 | 62 | Villarruel, Santiago v Peralta Martinez, Fermin | 6-3,6-1 | |
| ITF Argentina F2 | 03/05 12:00 | 62 | Villarruel, Santiago v 리베이로 라고, 엘리오 조세 | 7-5,6-0 | |
| ITF Chile F6 | 10/05 13:00 | 62 | Villarruel, Santiago v Gasperini, Lourenzo | 6-3,7-5 | |
| ITF Bolivia F3 | 09/23 19:00 | 26 | 만틸라, 펠리프 v Villarruel, Santiago | 6-4,6-2 | |
| ITF Bolivia F3 | 09/22 18:30 | 25 | 브리토, 루이스 v Villarruel, Santiago | 3-6,5-7 |