Monte-Carlo Country Club (photo: montecarlotennismasters.com)

Day one saw success for Frenchman Gilles Simon, currently ranked 18th in the world, who will be moving on in the tournament. Djokovic made history last year with his Monte-Carlo win and will likely be up against Roger Federer in the final on April 17, barring any missteps this week. Federer will be playing his first tournament since receiving knee surgery after the Australian Open earlier this year.

Rolex joined the Association of Tennis Professional's World Tour in 2013 as a global partner. Visit the Monte-Carlo Rolex Masters official website for additional information about the tournament. Check out the ATP World Tour rankings on their site and stay up to date on scores.

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Gilles Simon at the Monte-Carlo Rolex Masters 2016 (photo: montecarlotennismasters.com)