Radek Stepanek (born November 27, 1978 in Karvina) is a professional tennis player from the Czech Republic.
Stepanek turned professional in 1996. He started on tour as a doubles specialist, winning 12 ATP titles. Since 2003, Stepanek has focused on being a better singles player while still playing top level doubles.
2006 was Stepanek's best year to date, he found himself on the verge of getting into the top ten of ATP rankings, as he defeated Jose Acasuso in the semifinals of the Masters Series event in Hamburg. He went on to lose the final in straight sets against Spain's Tommy Robredo. At that point, he achieved a career-high ATP world ranking of No. 11 in singles.
Earlier in 2006, he won his first ATP singles title, beating Christophe Rochus in Rotterdam, but he had yet to progress beyond the 3rd round of a Grand Slam tournament until he got into the quarter-finals at Wimbledon, where he was eliminated by 34-year-old Jonas Bjorkman, after holding match point at 7-6 in the 4th set tiebreak.
This performance helped Stepanek break into the top 10 and achieve his highest world ranking of No. 8. However after Wimbledon, Stepanek was out of action for the rest of the year due to a chronic neck injury.
In the second round of the 2007 U.S. Open, Stepanek played a superb match against third seed Novak Djokovic, which he ended up losing after 4h44 of play in the ultimate tie-break of the fifth set. Although he lost the match, his defeat was a close one [7-6 (4), 6-7 (5), 7-5, 5-7, 6-7 (2)].
In 2008, he achieved some good results such as reaching the final in San Jose but lost to Andy Roddick. He also made it to the semifinals in the Rome masters losing to Novak Djokovic after he retired. In the 2008 Summer Olympics, he lost to Michaël Llodra in the first round in 3 sets. The final score was 6-4, 6-7 (5), 9-11. Št?pánek finished the season ranked 27, but attended the end of year Masters Cup as an alternate. After Roddick pulled out through injury before his second match, Št?pánek entered the tournament with two round robin ties to play against Roger Federer and Gilles Simon. He gave world number 2 Federer a tough match, losing 7-6 6-4, but was beaten comprehensively by Simon.
He had been engaged to WTA star Martina Hingis, but split up in August 2007.