| Lima challenger | Round | Result | H | A | 
		
			| 28.10. |  | Kolar Z. - Varillas J. | 1R | 7-64, 65-7, 7-63 | 1.71 | 2.05 | 
		
			| Costa do Sauipe challenger | Round | Result | H | A | 
		
			| 19.10. |  | Gima S. - Varillas J. | Q-1R | 6-4, 6-2 | 3.64 | 1.26 | 
		
			| Curitiba challenger | Round | Result | H | A | 
		
			| 13.10. |  | Alves M. - Varillas J. | Q-R16 | 6-2, 6-2 | 2.06 | 1.74 | 
		
			| 13.10. |  | Varillas J. - Buffara P. | Q-1R | 6-2, 6-0 |  |  | 
		
			| Cali challenger | Round | Result | H | A | 
		
			| 11.10. |  | Bueno G. - Varillas J. | QF | 6-4, 4-6, 6-2 | 1.90 | 1.82 | 
		
			| 08.10. |  | Varillas J. - Guillen Meza A. | R16 | 6-3, 64-7, 6-4 | 2.21 | 1.62 | 
		
			| 07.10. |  | Varillas J. - Heredia S. | 1R | 6-4, 6-4 | 1.11 | 6.19 | 
		
			| Buenos Aires challenger | Round | Result | H | A | 
		
			| 23.09. |  | Dellien H. - Varillas J. | 1R | 6-2, 7-63 | 1.68 | 2.09 | 
		
			| 22.09. |  | Varillas J. - La Serna J. | Q-R16 | 2-6, 7-5, 6-2 | 1.30 | 3.30 | 
		
			| 21.09. |  | Varillas J. - Monzon I. | Q-1R | 6-4, 6-4 | 1.10 | 6.47 | 
		
			| Villa Maria challenger | Round | Result | H | A | 
		
			| 17.09. |  | Nava E. - Varillas J. | R16 | 6-3, 6-2 | 1.39 | 2.82 | 
		
			| 16.09. |  | Varillas J. - De La Fuente S. | 1R | 7-65, 6-3 | 1.23 | 3.93 | 
		
			| Futures 2025 | Round | Result | H | A | 
		
			| 05.09. |  | Vallejo A. - Varillas J. | SF | 6-1, 7-62 | 2.03 | 1.70 | 
		
			| 04.09. |  | Varillas J. - Dutra da Silva D. | QF | 6-1, 6-3 | 1.46 | 2.54 | 
		
			| 03.09. |  | Varillas J. - Zarate C. | R16 | 6-4, 6-4 | 1.11 | 5.47 | 
		
			| 02.09. |  | Varillas J. - Guercio L. | 1R | 6-3, 6-1 | 1.05 | 7.94 | 
		
			| Santos challenger | Round | Result | H | A | 
		
			| 06.05. |  | Mager G. - Varillas J. | 1R | 6-3, 6-2 | 3.39 | 1.29 | 
		
			| Tallahassee chall. | Round | Result | H | A | 
		
			| 15.04. |  | Collarini A. - Varillas J. | 1R | 6-3, 5-7, 6-4 | 2.27 | 1.55 | 
		
			| Mexico City challenger | Round | Result | H | A | 
		
			| 12.04. |  | Pavlovic L. - Varillas J. | QF | 6-3, 0-6, 6-4 | 2.21 | 1.61 | 
		
			| 10.04. |  | Varillas J. - Duckworth J. | R16 | 2-6, 6-4, 6-4 | 1.58 | 2.27 | 
		
			| 09.04. |  | Varillas J. - Rodriguez Taverna S. | 1R | 6-1, 6-4 | 1.27 | 3.56 | 
		
			| Campinas challenger | Round | Result | H | A | 
		
			| 05.04. |  | Barrios Vera M. - Varillas J. | SF | 6-3, 6-1 | 1.82 | 1.92 | 
		
			| 05.04. |  | Varillas J. - Bueno G. | QF | 6-3, 6-1 | 1.83 | 1.89 | 
		
			| 04.04. |  | Varillas J. - Pucinelli De Almeida M. | R16 | 64-7, 7-5, 6-2 | 1.93 | 1.81 | 
		
			| 01.04. |  | Varillas J. - Torres J. | 1R | 6-4, 7-5 | 1.76 | 1.98 | 
		
			| Concepcion challenger | Round | Result | H | A | 
		
			| 27.03. |  | Kicker N. - Varillas J. | R16 | 6-0, 6-1 | 3.30 | 1.30 | 
		
			| 25.03. |  | Varillas J. - Casanova H. | 1R | 6-2, 7-5 | 1.15 | 5.03 | 
		
			| Asuncion challenger | Round | Result | H | A | 
		
			| 20.03. |  | Nava E. - Varillas J. | R16 | 64-7, 6-2, 6-2 | 1.87 | 1.85 | 
		
			| 18.03. |  | Varillas J. - Justo G. | 1R | 6-3, 6-4 | 1.15 | 4.98 | 
		
			| Santiago challenger | Round | Result | H | A | 
		
			| 10.03. |  | Pucinelli De Almeida M. - Varillas J. | 1R | 6-3, 3-6, 6-2 | 3.21 | 1.32 | 
		
			| Cordoba challenger | Round | Result | H | A | 
		
			| 07.03. |  | Cerundolo J. - Varillas J. | QF | 6-4, 6-2 | 1.49 | 2.51 | 
		
			| 06.03. |  | Varillas J. - De La Fuente S. | R16 | 6-3, 6-1 | 1.11 | 6.17 | 
		
			| 04.03. |  | Varillas J. - Olivieri G. | 1R | 6-0, 7-61 | 1.29 | 3.46 | 
		
			| Santiago | Round | Result | H | A | 
		
			| 23.02. |  | Meligeni Rodrigues Alves F. - Varillas J. | Q-QF | 6-4, 6-2 | 2.31 | 1.58 | 
		
			| 22.02. |  | Varillas J. - Nava E. | Q-R16 | 6-3, 6-4 | 1.72 | 2.07 | 
		
			| Buenos Aires 3 challenger | Round | Result | H | A | 
		
			| 20.01. |  | Varillas J. - Vallejo A. | F | 6-4, 6-4 | 1.51 | 2.46 | 
		
			| 18.01. |  | Varillas J. - Bueno G. | SF | 7-64, 6-4 | 1.47 | 2.59 | 
		
			| 17.01. |  | Varillas J. - Nava E. | QF | 6-4, 7-5 | 1.75 | 2.00 | 
		
			| 16.01. |  | Varillas J. - Kicker N. | R16 | 7-66, 6-3 | 1.41 | 2.76 | 
		
			| 14.01. |  | Varillas J. - Prado Angelo J. | 1R | 64-7, 7-5, 6-4 | 1.48 | 2.53 | 
		
			| Australian Open | Round | Result | H | A | 
		
			| 06.01. |  | Moro Canas A. - Varillas J. | Q-1R | 63-7, 7-66, 6-4 | 1.34 | 3.18 |