Question: Which tennis player, Marion Bartoli or Geoff Masters, had a more prominent career in singles tennis matches?

Related documents: [0]  [DOC] Marion Bartoli (] ; born 2 October 1984) is a French former professional tennis player. She won the 2013 Wimbledon Championships singles title after previously being runner-up in 2007 and was a semifinalist at the 2011 French Open. She also won eight Women's Tennis Association singles titles and three doubles titles. She announced her immediate retirement from professional tennis on 14 August 2013. [END] 
[1]  [DOC] Geoff Masters (born 19 September 1950) is an Australian former tennis player. He was part of doubles winning pairs in the US Open, Australian Open and Wimbledon tournaments during the 1970s. [END]  
Answer: Marion Bartoli
Marion Bartoli