Jo-Wilfried Tsonga of France leaves the court after his loss to Martin Klizman of Slovakia in their men's singles match at the U.S. Open tennis tournament in New York August 30, 2012. (Photo: REUTERS)
The fifth seed produced a strangely lackluster display as he was outplayed by the world number 52 and suffered his earliest-ever U.S. Open exit.
The left-handed Klizan had never been beyond the second round at a grand slam event before but he surprised Tsonga with some inspired tennis.
Tsonga rallied from 4-1 down in the fourth set to 4-3 but the 23-year-old Klizan held his nerve to seal the biggest victory of his career.
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