Novak Djokovic and Stefanos Tsitsipas powered into the Dubai Championships quarter-finals with runaway victories on Wednesday.
According to AFP, world number one Djokovic eased to his fifteenth consecutive success of the period with a 6-3, 6-1 after defeating Philipp Kohlschreiber in just 61 minutes.
Greek star Tsitsipas, who won the Marseille title a weekend ago, dispatched Alexander Bublik 7-6 (7/1), 6-4.
Third seed Gael Monfils additionally scaled through, beating Japanese qualifier Yasutaka Uchiyama 6-1, 6-2.
Djokovic, focusing on a fifth Dubai trophy, arrived at the last eight with his twelfth win over the 36-year-old Kohlschreiber in 14 gatherings.
“I was very sharp from the beginning, mentally,” the Serbian said. “It took me a first few games to get used to the tricky conditions.
“It was pretty windy on the court, changing directions all the time. It was not really easy to get the rhythm.
“You have to take Philipp seriously regardless of his ranking (80th). He has tremendous experience of playing on a big stage. He actually likes this kind of challenge.
“I knew I’d have to be sharp, stay focused all the way till the end, not allow him to feel like he has a chance to come back to the match — that’s what happened.”
Djokovic will play seventh seed Karen Khachanov on Thursday after the Russian beat Austrian qualifier Dennis Novak 6-3, 6-4.
Tsitsipas next takes on German Jan-Lennard Struff, a 6-1, 6-0 winner against Nikoloz Basilashvili.