Last week's champions Daniil Medvedev and Jo-Wilfried Tsonga will meet in the quarter-finals of the Rotterdam Open, while Kei Nishikori also advanced on Thursday.
Medvedev was crowned Sofia Open champion on Sunday and the in-form Russian could claim back-to-back titles this weekend after beating Fernando Verdasco 6-2 7-5.
The fifth seed has now won 13 out of 15 matches in a great start to the season, while Verdasco was left to rue making 42 unforced errors as he bowed out.
Tsonga is on a high following an Open Sud de France triumph in his homeland and was too good for wildcard Tallon Griekspoor, winning 7-6 (7-5) 6-1.
Hitting winners for fun..@tsonga7 uncorks the single-hander v Griekspoor #abnamrowtt pic.twitter.com/CA7rfH4yT1
— Tennis TV (@TennisTV) February 14, 2019
Nishikori has lost only once this season – against Novak Djokovic at the Australian Open – and so it was no surprise the top seed eased to a 6-1 6-4 victory over Ernests Gulbis.
The world number seven will come up against Marton Fucsovics in the last eight after the Hungarian beat Nikoloz Basilashvili 7-6 (7-1) 6-1.
Damir Dzumhur followed up his impressive defeat of Australian Open semi-finalist Stefanos Tsitsipas by getting past Mikhail Kukushkin 6-4 7-6 (7-3) and will come up against Gael Monfils for a place in the semi-finals.
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