A difficult spell for Alex de Minaur wore on as the Australian endured a tough day, while Richard Gasquet claimed his 550th career win.
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.
Novak Djokovic stormed into round two of the Australian Open with a commanding win over Jeremy Chardy in straight sets.
We look at the opponents Novak Djokovic has beaten at least 10 times without defeat in his career.
Stan Wawrinka, runner-up in 2008, will begin his Qatar Open campaign against Jeremy Chardy, who downed Gregoire Barrere.
Daniil Medvedev had not lost since the US Open final before Jeremy Chardy brought him back down to earth in Paris.
Former world number one Andy Murray was pushed all the way by Marius Copil before moving into the last four in Antwerp.
Former world number one Andy Murray recorded a straight-sets win for just the second time since August at the European Open in Antwerp.
A tired Andy Murray reflected on his victory over fellow British player Cameron Norrie in Beijing as a "good step".