Hugo Dellien Velasco is a Bolivian professional tennis player. He has a career-high ATP singles ranking of No. 64, achieved on 1 August 2022. He is the current No. 1 Bolivian tennis player. He also has a career-high ATP doubles ranking of No. 185 achieved on 2 February 2015. In juniors, Dellien had a career-high combined ranking of No. 2 in March 2011.

Guido Andreozzi is an Argentine professional tennis player of Italian descent. He competes mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles. His career-high rankings are World No. 70 in singles and No. 77 in doubles.