Following Justine and Chloe's gold and silver medal performance on Saturday at the 2014 Olympic Winter Games in Sochi, Federer tweeted the photo of the Canadian sisters holding hands and tweeted "So cute, sport is great.". The photo and message can be seen on his twitter account, https://twitter.com/rogerfederer .
Federer also gave high praise to his fellow Swiss countryman, Dario Cologna, who won the gold medal in the men's 30km cross country skiing event on Sunday.
Even though Federer has not won an Olympic gold medal in singles tennis, he has won a gold medal in doubles tennis--something he achieved with 2014 Australian Open finalist Stanislas Wawrinka at the 2008 Olympic Games in Beijing. Federer would later call that victory one of the proudest moments of his tennis career.