Can anyone stop Rafa Nadal?

The summer of sport has begun with the French Open at Roland Garros, and Rafa Nadal already looks to be in scintillating form.

Spain's most recognisable tennis star was a strong favourite with GR88.com for his first and second round matches, but the manner in which he recorded straight sets victories over Robby Ginepri and Dominic Thiem was ominous.

Can the World Number One notch up a record ninth French Open title, or will someone else step forward? GR88.com has odds on all the men's and women's singles games in Paris, including a number of in-play betting markets.

There is potentially plenty of value in the women's draw, with reigning champ Serena Williams falling in the second round, however plenty of top talents remain.

GR88 is offering a 100% sign-up bonus up to £100, meaning when you sign up and make a deposit they will match it - find out more here.

With plenty more sport this summer, including Wimbledon and the FIFA World Cup, there will be no shortage of events to bet on. Oh, and did I mention there's a chance to win $1,000,000 in their free World Cup Prediction Competition?