Carlos Alcaraz battled into the semi-finals of the Barcelona Open on Friday with a 7-5, 6-3 win over Alex de Minaur after Casper Ruud's title defence was ended by Holger Rune.

World number two Carlos Alcaraz came back from a break down in the second set to defeat Ethan Quinn 6-2, 7-6 (8/6) and reach the Barcelona Open last 16 on Tuesday.

World number two Carlos Alcaraz took aim at his critics on Monday after winning the Monte Carlo Masters at the weekend.

Carlos Alcaraz won his first Monte Carlo Masters title on Sunday with a 3-6, 6-1, 6-0 victory over the Italian Lorenzo Musetti.

The fifth-ranked Djokovic struggled to find his rhythm in a 6-3, 6-4 loss to Chilean Alejandro Tabilo in the second round, making an inauspicious start to his clay season.

Carlos Alcaraz said Sunday that the pressure to reclaim the world number one ranking from the suspended Jannik Sinner has had a negative impact on his form this season.

The Spaniard world number three, speaking ahead of the Miami Open, said he had not been given any notice of the legal case from the Professional Tennis Players' Association (PTPA) or the strongly-worded statement issued on Tuesday.

A four-time Grand Slam champion, Alcaraz said he was too focused on what weapons British left-hander Jack Draper might bring and unable to calm the pre-match jitters that prevented him from rising to the occasion.

World number three Alcaraz had too much weight of shot off both flanks for his opponent, who retrieved valiantly but lacked the weapons to topple the top seed.

"He has lost only four or five matches in the past year, so it's crazy. I know people say who's better out of us. They say Jannik is better or some say me. It's all discussion."

The 10-time Melbourne Park winner Djokovic outlasted the younger Spaniard 4-6, 6-4, 6-3, 6-4 to set up a semi-final with Alexander Zverev.

Ageless Novak Djokovic won an epic generational clash against Carlos Alcaraz on Tuesday to stay on track for an 11th Australian Open title with Alexander Zverev next in the semifinals.

Jaime Alcaraz Garfia won his first qualifying match at the Les Petits As on Saturday, putting him one victory away from the main draw at an event that is a premier fixture on the Junior European Tour.

The 37-year-old Serb, who is gunning for a record 25th Grand Slam title and 11th Melbourne crown, beat 24th seed Jiri Lehecka 6-3, 6-4, 7-6 (7/4) on Rod Laver Arena.

Alcaraz is bidding to become the youngest man to complete a career Grand Slam -- winning all four majors -- in the Open Era.

The Spanish third seed showed no mercy to Japan's Yoshihito Nishioka, who was taught a 6-0, 6-1, 6-4 lesson on Margaret Court Arena in an 81-minute rout.

Alcaraz won the French Open and Wimbledon titles last year while Sinner claimed the Australian Open and U.S. Open trophies as the pair heralded a new era for the men's game by shutting out 24-times Grand Slam champion Novak Djokovic.

For over two decades, the "Big Three" of Roger Federer, Rafael Nadal, and Novak Djokovic dominated the sport, pushing each other to unimaginable heights. Now, a new story begins.

Novak Djokovic is ready to challenge Jannik Sinner and Carlos Alcaraz at the Grand Slam stage when he returns to action at the Australian Open after an underwhelming campaign this year, the 24-times champion said.

Carlos Alcaraz said he was hoping to make Rafael Nadal's tennis farewell at the Davis Cup Finals a victorious one after he was dumped out of the ATP Finals at the group stage with a straight-sets defeat to Alexander Zverev on Friday.