275287
Steve Darcis was the defending champion , but lost in the first round to Andy Roddick , who went on to win the title by defeating Radek Štěpánek in the final , 7 – 5 , 7 – 5 .
 Steve Darcis, Andy Roddick, Radek Štěpánek
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Steve Darcis, Andy Roddick, Radek Štěpánek