Rafael Nadal produced a stunning performance to thrash Austrian fifth seed Dominic Thiem and reach a record 14th Monte Carlo Masters semi-final.
World number one Nadal, bidding for his 11th victory at the clay court event, won 6-0 6-2 in just 67 minutes, reports BBC.
Nadal, 31, will meet Bulgarian fourth seed Grigor Dimitrov in the last four.
Dimitrov reached his first Monte Carlo semi-final with a 6-4 7-6 (7-5) win over Belgium's David Goffin, who was leading 5-1 in the second set.
Croatian second seed Marin Cilic was beaten by Japan's Kei Nishikori, while Alexander Zverev faces Richard Gasquet in the last quarter-final later on Friday.