Juan Pablo Varillas defeated Juan Carlos Prado Angelo in the first round of the Buenos Aires CH, an ATP Challenger event on clay, on 14 January 2025. The match result saw Varillas advance through the early stage of the tournament, where both players competed on the South American clay circuit. Varillas's victory represents a positive result in his campaign at the Buenos Aires event, whilst Prado Angelo's elimination ended his participation at this Challenger level. The outcome provides Varillas with momentum heading into the subsequent rounds of the tournament.