David Goffin.Dimitrov
Grigor Dimitrov Beat David Goffin in Quarter-finals
Bulgarian fourth seed Grigor Dimitrov reached his first Monte Carlo Masters semi-final with a hard-fought win over Belgium's David Goffin.
Dimitrov, 26, won 6-4 7-6 (7-5) against sixth seed Goffin, who was leading 5-1 in the second set.
Spain's world number one Rafael Nadal takes on Austrian third seed Dominic Thiem with the winner playing Dimitrov.