ATP roundup: De Minaur beats Rublev in Rotterdam quarters, Alcaraz and Sinner pick up wins

In a thrilling quarter-final clash at the ABN AMRO Open in Rotterdam, Australia's Alex De Minaur showcased his exceptional skills by delivering an impressive tally of 10 aces. Not only did he demonstrate his powerful serve, but he also displayed his resilience by saving five out of six break points.

In a stunning upset, De Minaur managed to defeat the second seed, Andrey Rublev of Russia, with a final score of 7-6, 4-6, 6-3.

While De Minaur made twice as many unforced errors as Rublev (22 to 11), he still managed to dominate most aspects of the match. Despite being down 4-2 in the first-set tiebreaker, he rallied to win four consecutive points before securing his second set point.

In the third set, he impressively won 17 out of 22 first-serve points and successfully saved all three break points he faced.

The Australian player is set to face sixth seed Grigor Dimitrov from Bulgaria in the semi-finals, following Dimitrov's victory over Alexander Shevchenko from Kazakhstan with a score of 7-6, 3-6, 6-4.

In another match, top-seeded Italian Jannik Sinner achieved his 200th career tour-level win as his Canadian opponent Milos Raonic retired due to a right hip injury while trailing 7-6, 1-1. Sinner will now compete against Dutchman Tallon Griekspoor, who defeated Emil Ruusuvuori from Finland with a score of 7-5, 7-6.

At the IEB+ Argentina Open, Federico Coria caused an upset by defeating fifth seed Sebastian Baez 6-1, 6-4 in Buenos Aires. Coria showcased an impressive performance with three aces, no double faults, and converting five out of nine break-point opportunities against Baez.

He will now face his compatriot and wildcard Facundo Diaz Acosta in the semi-finals, who emerged victorious against Serbia's Dusan Lajovic with a score of 6-4, 6-3.

The other semi-final match will feature top seed Carlos Alcaraz from Spain against third seed Nicolas Jarry from Chile.

Alcaraz secured a win against Italian qualifier Andrea Vavassori with a score of 7-6, 6-1, while Jarry advanced after sixth seed Tomas Martin Etcheverry from Argentina retired with the score tied at one set apiece.

The Delray Beach Open witnessed an impressive performance from second seed Frances Tiafoe, as he secured a spot in the semi-finals with a comfortable victory over Italian lucky loser Flavio Cobolli.

Despite Cobolli's advantage in aces and his ability to save break points, Tiafoe's dominance prevailed. He showcased his strength by winning a remarkable 79.3% of first-service points and 72.2% of second-service points.

Tiafoe's triumph sets the stage for an all-American semi-final clash against third seed Tommy Paul, who also emerged victorious against Jordan Thompson.

In the other matches held on Friday, top seed Taylor Fritz triumphed over Australian Rinky Hijikata with a score of 6-3, 6-3, while Marcos Giron secured a 6-4, 6-4 win against wildcard Patrick Kypson.