Roberto Carballés Baena is a Spanish professional tennis player. He achieved a career-high ATP singles ranking of world No. 49 on 10 April 2023 and a career-high doubles ranking of world No. 127 on 2 March 2020. Carballés Baena's preferred surface is clay, on which he has won two ATP titles and 11 Challenger titles in singles, and one ATP title in doubles.

Marcelo Arévalo González is a Salvadoran professional tennis player. He has been ranked as high as world No. 5 in doubles by the Association of Tennis Professionals (ATP), which he first achieved on 14 November 2022. Together with his career-high singles ranking of world No. 139, attained in April 2018, Arévalo is the highest-ranked player, male or female, across both disciplines in Salvadoran tennis history.