Question: Tony Roche and Radek Štěpánek, have which mutual occupation?

Context paragraphs:
2013 Shanghai Rolex Masters – Doubles: Leander Paes and Radek Štěpánek were the defending champions, but Štěpánek chose not to compete.  Paes played alongside Daniel Nestor, but lost in the second round to Robert Lindstedt and Vasek Pospisil. <br>

2004 Indesit ATP Milan Indoor – Doubles: Petr Luxa and Radek Štěpánek were the defending champions but only Štěpánek competed that year with Martin Damm.

2007 Open 13 – Doubles: Martin Damm and Radek Štěpánek were the defending champions.  Damm did not participate this year.  Štěpánek partnered with Mahesh Bhupathi, but withdrew from the first round.

2002 Canada Masters – Doubles: The 2002 Canada Masters – Doubles was the men's singles event of the one hundred and thirteenth edition of the Canada Masters; a WTA Tier I tournament and the most prestigious men's tennis tournament held in Canada.  Jiří Novák and David Rikl were the defending champions but they competed with different partners that year, Novák with Radek Štěpánek and Rikl with David Prinosil.  Novak and Štěpánek lost in the second round to Mark Knowles and Daniel Nestor.  Prinosil and Rikl lost in the semifinals to Bob Bryan and Mike Bryan.  The Bryans won in the final 4–6, 7–6, 6–3 against Knowles and Nestor.

2006 Dubai Tennis Championships – Men's Doubles: Martin Damm and Radek Štěpánek were the defending champions.  Damm partnered with Leander Paes, losing in the semifinals.  Štěpánek partnered with Tomáš Berdych, losing in the quarterfinals.

Radek Štěpánek: Radek Štěpánek (] ; born 27 November 1978) is a professional tennis player from the Czech Republic.  His career-high singles ranking is world No. 8 and best doubles ranking is world No. 4.  Štěpánek's biggest achievements are reaching two Masters 1000 event finals and the quarterfinals of Wimbledon in 2006, as well as winning the deciding match for Czech Republic's Davis Cup winning team in 2012 and again in 2013.  In doubles, he won his first Grand Slam title at the 2012 Australian Open, along with Indian partner Leander Paes, defeating the Bryan Brothers in the final.  Paes and Štěpánek also won the men's doubles title at the 2013 US Open, defeating Bruno Soares and Alexander Peya in the final.

Tony Roche: Anthony Dalton Roche, AO MBE (born 17 May 1945) is a former professional Australian tennis player, native of Tarcutta.  He played junior tennis in the New South Wales regional city of Wagga Wagga.  He won one Grand Slam singles title and thirteen Grand Slam doubles titles, and was ranked as high as World No. 2 by Lance Tingay of "The Daily Telegraph" in 1969.  He also coached multi-Grand Slam winning World No. 1s, Ivan Lendl, Patrick Rafter, Roger Federer, Lleyton Hewitt and former World No. 4, Jelena Dokic.

2002 CA-TennisTrophy – Doubles: Martin Damm and Radek Štěpánek were the defending champions but they competed with different partners that year, Damm with Cyril Suk and Štěpánek with Jiří Novák.

2002 Estoril Open – Men's Doubles: Radek Štěpánek and Michal Tabara were the defending champions but only Štěpánek competed that year with Leoš Friedl.

2012 Western &amp; Southern Open – Men's Doubles: Mahesh Bhupathi and Leander Paes were the defending champions.  However, they chose not to play together.  Bhupathi played with Rohan Bopanna and Paes played with Radek Štěpánek

Supporting paragraphs: Tony Roche Radek Štěpánek
Answer: professional tennis player