Rafael Nadal (Spain)
World ranking: 4
Grand Slam titles: 14 (Australian Open 2009, French Open 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013, 2014, Wimbledon 2008, 2010, US Open 2010, 2013)
ATP compare record in 2017 (won-lost): 36-6
Back to his best after a prolonged damage layoff, Nadal is transparent favourite to explain his 10th French Open climax after a peppery start to 2017. The Spaniard has been nearby godlike on clay, holding titles in Rome, Barcelona, and Madrid, before his 17-match winning strain finished in better to Austria’s Dominic Thiem in a quarter-finals of a Italian Open.