Paolo Lorenzi is an Italian former professional tennis player and former Italian number 1. He was coached by Claudio Galoppini. At the age of 34 years and seven months, Lorenzi became the oldest first-time champion in ATP history when he won the title at the 2016 Generali Open Kitzbühel.

Federico Delbonis is an Argentine former professional tennis player. He achieved a career-high ATP singles ranking of No. 33 on 9 May 2016. He also reached a career-high doubles ranking of No. 110 on 22 July 2019.