...12: (CHINA OUT) Roger Federer of Switzerland returns a shot during his round robin match against Radek Stepanek of Czech Republic in the Tennis Masters Cup held at Qi Zhong Stadium on November 12...

Roger Federer of Switzerland returns the ball against Radek Stepanek of the Czech Republic during the 2008 Tennis Masters Cup in Shanghai, China Wednesday Nov. 12...

Roger Federer of Switzerland returns a shot against Radek Stepanek of the Czech Republic at the US Open tennis tournament on August 31, 2008 at the...

Roger Federer of Switzerland reacts after losing a point against Radek Stepanek of Czech Republic during their men's quarter-final match, at the Rome Master tennis tournament...

ROME - MAY 10: Novak Djokovic of Serbia in action before his apponent Radek Stepanek of the Czech Republic is forced to retire at the end of the first game of...

Czech Radek Stepanek celebrates after winning a point against Swiss Roger Federer during their ATP Tennis Open in Rome...

Sony Ericsson Open Day 9 KEY BISCAYNE, FL - APRIL 01: James Blake returns a shot against Radek Stepanek of the Czech Republic during day nine of the Sony Ericsson Open at the Crandon Park...

Andy Roddick returns a shot to Radek Stepanek, of the Czech Republic, in the finals of the SAP Open tennis tournament in San Jose...

Radek Stepanek of the Czech Republic reacts after winning a game against Novak Djokovic of Serbia at the...

Radek Stepanek of the Czech Republic does "the worm" on the court after defeating James Blake in the...

'07 DAVIS CUP HIGHLIGHTS

...as his teammate Roger Federer, back, returns the ball to Czech Republic's Tomas Berdych and Radek Stepanek during their doubles match of the Davis Cup World Group play-off tennis match played in...

British Andy Murray reacts against Czech Radek Stepanek during the ATP Masters Series in Madrid, 15 October 2007. Murray won 6-4, 6-1...

2007 U.S. OPEN

Novak Djokovic had reason to get excited after beating Radek Stepanek in a five-set match that lasted 4 hours, 44 minutes

Novak Djokovic of Serbia reacts after losing a point to Radek Stepanek of the Czech Republic at the US Open tennis tournament in New York, Friday, Aug. 31...

Roger Federer of Switzerland acknowledges the crowd after defeating Radek Stepanek of the Czech Republic during the semifinals of the Coupe Rogers August 11, 2007 at Stade...