2026 Santa Cruz Challenger

Country	Player	Rank1	Seed
BOL	Hugo Dellien	155	1
BOL	Juan Carlos Prado Ángelo	196	2
PER	Gonzalo Bueno	211	3
ARG	Lautaro Midón	223	4
ARG	Santiago Rodríguez Taverna	231	5
BRA	Thiago Seyboth Wild	248	6
ARG	Guido Iván Justo	269	7
URU	Franco Roncadelli	273	8
PER	Juan Pablo Varillas	286	9

• ¹ Rankings are as of 6 April 2026.^[1]

The following players received wildcards into the singles main draw:

• Federico Coria
• Guto Miguel
• Thiago Seyboth Wild

The following players received entry into the singles main draw as alternates:

• Lorenzo Joaquín Rodríguez
• Eric Vanshelboim
• Carlos María Zárate

The following players received entry from the qualifying draw:

• Thiago Cigarrán
• Santiago de la Fuente
• Samuel Alejandro Linde Palacios
• Franco Ribero
• Nicolás Villalón
• Máximo Zeitune

The following player received entry as a lucky loser:

• Ryan Dickerson

• Hugo Dellien def. Juan Carlos Prado Ángelo 6–4, 7–5.

• Hernán Casanova / Santiago Rodríguez Taverna def. Mariano Kestelboim / Federico Zeballos 7–5, 6–4.