Canada's Eugenie Bouchard taking a celebratory selfie with spectators at the Olympic Tennis Centre after winning her first-round singles match against American Sloane Stephens 6-3, 6-3.
Spoke rugby with the fastest man on earth @usainbolt Good luck my bro #Rio2016
SONNY BILL WILLIAMS, New Zealand sevens player, with two-time 100m-200m Olympic champion Usain Bolt
Well done Adam on your world record love NaN
MAVIS PEATY, grandmother of British swimmer Adam, after his record-breaking swim in the 100m breaststroke heats.