Olympics: best pictures on day six

Sam Messam of New Zealand leads his teammates during a traditional Maori Haka after their Group C men's football match against Belgium Photograph: Liu Jin/AFP

A US wrestler has his weight checked prior to a greco-roman wrestling match Photograph: Oded Balilty/AP

Michael Phelps of the United States finishes his men's 200m individual medley semi-final in first place Photograph: Al Bello/Getty

Mirko Englich of Germany (top) fights Elis Guri of Albania during their 96kg men's Greco-Roman wrestling quarter-final match Photograph: Oleg popov/Reuters

Nigeria's Toriola Segun serves the ball as he plays table tennis against Russia's Mazunov Dmitri Photograph: Oded Balilty/AP

A spectator uses a pair of binoculars to watch table tennis matches from afar Photograph: Ceerwan Aziz/Reuters

Enrico Pozzo of Italy competes on the high bar in the men's individual all round artistic gymnastics final Photograph: Alexander Hassenstein/Getty

An empty cartridge flies out of Wei Ning's rifle as she competes in the women's skeet qualifiiers Photograph: Julian Finney/Getty

An assistant sprays water at Luis Alberto Gonzalez of Venezuela after he lost his fight against Imre Szello of Hungary in their men's light heavyweight (81kg) round Photograph: Lee Jae-Won/Reuters

Shooters compete in the women's 50m Rifle 3 position qualification Photograph: Jonathan Ferrey/Getty

Sweden's Par Gerell and Jorgen Persson, top, in action against Brazil's Thiago Monteiro and Hugo Hoyama Photograph: Dennis Sabangan/EPA

The eventual gold-medal winner Yang Wei of China competes in the pommel horse during the men's individual all-around artistic gymnastics final Photograph: Nick Laham/Getty