Normal service was resumed for Rafael Nadal after Kei Nishikori took the second set off the top seed in Barcelona.
Japanese star Kei Nishikori emerged from the jaws of defeat to progress at the Barcelona Open on Monday.
Stefanos Tsitsipas and Andrey Rublev reached the last 16, however, in-form seed Aslan Karatsev farewelled Miami.
Greek star Stefanos Tsitsipas and Kei Nishikori will meet in the third round of the Miami Open.
Putting in the hard yards on his serve proved a wise choice from Denis Shapovalov as the Canadian reached the last four in Dubai.
Roger Federer will make his comeback against Dan Evans at the ATP 250 tournament on Wednesday.
Stefanos Tsitsipas and Andrey Rublev will tussle for a place in the Rotterdam Open final after coming through tricky quarter-finals.
Robin Haase took the first set in Rotterdam, but Andy Murray bounced back to seal his place in the second round.
Novak Djokovic said he had "no respect" for Nick Kyrgios and refused to reply to the Australian's response after winning at Melbourne Park.
John Millman will be the first man to try to stop Alexander Zverev claiming back-to-back titles in Cologne, while Jannik Sinner also won.