Juan Ignacio Chela

Juan Ignacio Chela, nicknamed as "El Flaco" or "Liliano," is a tennis coach and former professional player from Argentina. Chela was given a three-month ban from the professional tour in 2001 for failing a drugs test. Post-doping ban, Chela went on to reach the quarterfinals of the 2004 and 2011 French Open, and the 2007 US Open, attaining a career-high singles ranking of world No. 15 in August 2004.