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Alcaraz, who is aiming to become the first player since Stefanos Tsitsipas to go back-to-back in Monaco, edged closer to accomplishing that task with a dominant 6-3 6-0 victory.

The Spaniard will face home hopeful Valentin Vacherot for a place in the final after he beat Australia's Alex de Minaur, and the Spaniard could be set for another tussle with great rival Jannik Sinner.

Alcaraz set the tone for his one-hour-and-three-minute win in the opening game of the match, getting the better of Bublik's serve, but his opponent returned the favour soon after.

However, the No.1 seed regained his composure and reeled off the final four games to take the first set in style, and from there, Alcaraz kept his foot firmly on the accelerator.

After eventually edging a close game at the third time of asking to kickstart the second set, Alcaraz stormed to victory without dropping another game, sealing his triumph when Bublik's attempted lob went into the net.