Rafael Nadal produces devastating straight-sets win over Frances Tiafoe to reach Australian Open semi-finals

• Rafael Nadal booked his spot in the Australian Open semi-finals on Tuesday
• He beat 21-year-old rising star Frances Tiafoe in a dominant 6-3, 6-4, 6-2 display 
• Nadal faces Roger Federer's conqueror Stefanos Tsitsipas for a spot in the final.
• Rafael Nadal reached his 30th grand slam semi-final with a crushing victory over Frances Tiafoe at the Australian Open.
  The second seed arrived in Melbourne having not played a match since September because of a series of injury problems but has barely put a foot wrong all fortnight and is the only man not to have dropped a set.
  That statistic was not challenged by young American Tiafoe, who was swatted aside 6-3, 6-4, 6-2 in only an hour and 47 minutes. view pictures below.