BUENOS AIRES, Argentina (AP) Juan Ignacio Chela says he is retiring from professional tennis, leaving with six ATP singles titles and three in doubles - all on clay.
The 33-year-old Argentine has been hinting at retirement for weeks, and he announced it Monday on his Twitter account.
Chela reached three Grand Slam quarterfinals - the French Open in 2004 and 2011, and the U.S. Open in 2007.
Known as ``El Flaco'' (The Skinny One), Chela is retiring with his singles ranking at No. 176 and career earnings of $6.5 million.