Juan Ignacio Chela

Juan Ignacio Chela (Spanish pronunciation: [xwan iɣˈnasjo ˈtʃela]; born 30 August 1979), 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.

In April 2001, Chela was found to have failed a routine drugs test (in August 2000) – testing positive for the banned steroid methyltestosterone – and was given a three-month ban, as well as being made to forfeit all prize money and ranking points accumulated over the previous eight months since testing positive.

In February, he reached the quarterfinals in Salvador, defeating Flávio Saretta and David Ferrer, before falling to Agustín Calleri, 3–6, 6–3, 3–6. He won in doubles at Viña del Mar, partnering Gastón Gaudio.

At Acapulco and Indian Wells, he reached the quarterfinals, but lost to Óscar Hernández Pérez and Roger Federer, respectively. In Acapulco, he also reached the final in doubles, partnering Nicolás Massú, but they lost to the Bryan brothers, 2–6, 3–6.

In April, Chela won in Estoril against Marat Safin, 6–7, 6–3, 6–3. He also won in doubles, partnering Gastón Gaudio.

He reached the quarterfinals of the French Open, where he lost to Tim Henman, 2–6, 4–6, 4–6. In doubles, he reached the quarterfinals in Rome, where he and Guillermo Cañas lost to the Bryan brothers, and in Hamburg, where he also partnered with Cañas.

On August 9, 2004, he reached his career-high singles ranking of world No. 15.

Chela (The Torino) was involved in a controversy during a third-round loss to Lleyton Hewitt in the Australian Open in 2005, when he attempted to spit on Hewitt.