SEVEN MEN HAVE THROWN IN THE TOWEL

15 mins: Janko Tipsarevic v Jared Donaldson at 0-5 Tipsarevic’s earnings per minute: £2,333.33 17 mins: Viktor Troicki v Florian Mayer at 1-6 Troicki’s earnings per minute: £2,058.82 40 mins: Martin Klizan v Novak Djokovic at 3-6, 0-2 Klizan’s earnings per minute: £875 43 mins: Alexandr Dolgopolov v Roger Federer at 3-6, 0-3 Dolgopolov’s earnings per minute: £813.95 65 mins: Nick Kyrgios (left) v Pierre-Hugues Herbert at 3-6, 4-6 Kyrgios’ (below) earnings per minute: £538.46 137 mins: Denis Istomin v Donald Young at 7-5, 4-6, 4-6, 2-4 Istomin’s earnings per minute: £255.47 139 mins: Feliciano Lopez v Adrian Mannarino at 7-5, 1-6, 1-6, 3-4 Lopez’s earnings per minute: £251.79 PS When John Isner beat Nicolas Mahut in their 11hr 5min first-round battle at Wimbledon in 2010 Mahut left with just £11,000 — or £16.54 a minute!