2017 US Open champion Rafael Nadal of Spain took his 11th Monte Carlos Masters in Monaco title after defeating Kei Nishikori in the final, 6-3, 6-2. 2017 US Open champion Sloane Stephens saw a first-round dismissal in Stuttgart from Fed Cup teammate Coco Vandeweghe, 6-1, 6-0. Five-time US Open doubles champions Bob and Mike Bryan celebrate defeating Simone Bolelli and Fabio Fognini in the doubles semifinal at the ATP Masters Series Monte Carlo Rolex Masters in Monaco. The doubles specialists won their sixth Monte Carlo Masters title, and 116th trophy with their 7-6, 6-3 victory over Oliver Marach and Mate Pavic.Germany's Angelique Kerber celebrates in her first-round match against Petra Kvitova. The 2016 US Open champion defeated Kvitova, 6-3, 6-2. She ultimately fell to Anett Kontaveit in the second round. Two-time US Open champion Novak Djokovic reaches in his first-round match against Serbia's Dusan Lajovic at the 2018 Monte Carlo Masters in Monaco. 2006 US Open champion Maria Sharapova reaches for a backhand against Caroline Garcia. The Russian fell to Garcia, 3-6, 7-6, 6-4, in their first-round match. 2015 US Open Champion Marin Cilic serves in his second-round match at the Monte Carlo Masters in Monaco against Fernando Verdasco. Cilic defeated the Spaniard, 6-3, 7-6.
