In the women's laser radial class, Denmark's Anne-Marie Rindom started her title defence well, winning her first qualifying race and finishing fourth in the second to sit top on five points.

Norway's Line Flem Høst and Olympic and world champion Marit Bouwmeester of The Netherlands sit in second also on five points having both finished second and then third in their respective fleets.

Another Dutch sailor, Mirthe Akkerman, finished the first day on seven points and is fourth after winning her second race, with Canada's Sarah Douglas showing consistency to be fifth, also on seven points.

Poland's Agata Barwińska recovered from a poor first showing - 22nd place - to win her second race, but currently sits down in 19th.

Her compatriot Wiktoria Gołębiowska had an inverse day, winning her first race but tumbled down the standings after then finishing 41st - knocking her down to 43rd overall.

A gap from fifth to sixth currently exists, with Belgium's Emma Plasschaert sixth on 12 points and Cyprus' Marilena Makri in seventh on 13.

In the men's laser radial, Poland's Filip Ciszkiewicz holds a one-point lead after winning his second race of the day in an open field.

Having finished sixth in his opener, he claimed the win in the second - putting him a point ahead of Ireland's youngster Tom Higgins who had two fourth-place finishes.

Paul Hameeteman of The Netherlands currently sits in third on 10 points, with his highlight coming in the second race where he finished third.

Finland's Otto Dahlberg and Greece's Adonis Bougiouris sit fourth and fifth respectively.

Poland took both wins in this class on the day thanks to the opening victory for Przemysław Machowski, who currently sits seventh after a poor second race took him to 19 points. 

There was a perfect start to the men's laser class for Britain's Lorenzo Chiavarini, who won both of his races to hold a three-point lead over Croatia's Filip Jurisic who also won his opening race, but could only muster fourth place in his second.

Italian pair Marco Gallo and Nicolo Villa are in third and fourth having improved on their sixth-place finishes in race one to finish day one on eight and nine points respectively.

Britain's Elliot Hanson currently sits in fifth on 11 points, with Chile's Clemente Seguel in sixth on the same total; now the pair sit a massive seven points ahead of the next sailors in seventh and eighth.

The only other individual winner from the opening day was Sweden's Jesper Stålheim, who recovered from a 22nd-place finish first up and now sits in 14th.

Racing continues tomorrow.