Hugo Dellien

Hugo Dellien Jr. (; born 16 June 1993) is a Bolivian professional tennis player.
Dellien has a career-high ATP singles ranking of No. 72 achieved on 13 January 2020. 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.
At the 2019 Rio Open, Dellien defeated Carlos Berlocq, Guido Andreozzi and Roberto Carballés to reach the quarterfinals. Hugo has become the first Bolivian player with an ATP win since Mario Martínez at French Open in 1984, trailing 3–1 in both sets before performing a comeback that secured a historic achievement for both him and his country.
In juniors, Dellien has a career-high combined ranking of No. 2 achieved in March 2011.
Dellien has represented Bolivia at the Davis Cup where he has a W/L record of 26–10.
His younger brother Murkel Dellien is also a tennis player, currently plays at Wichita State University.
Other activities.
Dellien owned an ice cream business alongside his father, Hugo Sr., purchased with some of his early career earnings.
Grand Slam performance timelines.
Singles.
"Current through the 2021 Italian Open."
Record against Top 10 players.
Dellien's match record against those who have been ranked in the top 10 is as follows (former #1 in bold):