French Open off and running – in pictures

Kei Nishikori of Japan hits a backhand during the Men’s Singles first round match against Simone Bolelli of Italy on day two of the 2016 French Open at Roland Garros on May 23, 2016 in Paris, France. (Dennis Grombkowski/Getty Images)

Guido Pella of Argentina in action against Diego Schwartzman of Argentina during their men’s single first round match at the French Open tennis tournament at Roland Garros in Paris, France, 23 May 2016.​ Robert Ghement / EPA

Dustin Brown of Germany plays Dudi Sela of Israel during their men’s single first round match at the French Open tennis tournament at Roland Garros in Paris, France, 23 May 2016. Christophe Petit Tesson / EPA

Japan’s Naomi Osaka returns the ball to Latvia’s Jelena Ostapenko during their women’s first round match at the Roland Garros 2016 French Tennis Open in Paris on May 23, 2016. Thomas Samson / AFP

Simona Halep of Romania serves during the Women’s Singles first round match against Nao Hibino of Japan on day two of the 2016 French Open at Roland Garros on May 23, 2016 in Paris, France. (Dennis Grombkowski/Getty Images)

Anna Karolina Schmiedlova of Slovakia hits a backhand during the Ladies Singles first round match against Garbine Muguruza of Spain on day two of the 2016 French Open at Roland Garros on May 23, 2016 in Paris, France. (Julian Finney/Getty Images)

Adam Pavlasek of the Czech Republic in action against Roberto Carballes Baena of during their men’s single first round match at the French Open tennis tournament at Roland Garros in Paris, France, 23 May 2016. Etienne Laurent / EPA

Viktor Troicki of Serbia celebrates victory during the Men’s Singles first round match against Grigor Dimitrov of Bulgaria on day two of the 2016 French Open at Roland Garros on May 23, 2016 in Paris, France. (Clive Brunskill/Getty Images)

Serbia’s Janko Tipsarevic returns the ball to Canada’s Milos Raonic during their men’s first round match at the Roland Garros 2016 French Tennis Open in Paris on May 23, 2016. Martin Bureau / AFP

Switzerland’s Stan Wawrinka reats after winning against Czech Republic’s Lukas Rosol during their men’s first round match at the Roland Garros 2016 French Tennis Open in Paris on May 23, 2016. Miguel Medina / AFP

Spectators with umbrellas leave the courts as rain interrupted first round matches of the French Open tennis tournament at Roland Garros stadium in Paris, France, Sunday, May 22, 2016. (AP Photo/Christophe Ena)

Jack Sock of the United States reacts during the Men’s Singles first round match against Robin Haase of the Netherlands on day two of the 2016 French Open at Roland Garros on May 23, 2016 in Paris, France. (Dennis Grombkowski/Getty Images)

Garbine Muguruza of Spain hits a backhand during the Ladies Singles first round match against Anna Karolina Schmiedlova of Slovakia on day two of the 2016 French Open at Roland Garros on May 23, 2016 in Paris, France. (Julian Finney/Getty Images)

Heather Watson of Great Britain celebrates victory following the Women’s Singles first round match against Nicole Gibbs of the United States on day two of the 2016 French Open at Roland Garros on May 23, 2016 in Paris, France. (Clive Brunskill/Getty Images)

Images from the first full day’s play at the 2016 French Open on Monday.