Top seed Carlos Alcaraz of Spain and No. 8 seed Hubert Hurkacz of Poland will clash in the ABN Amro Open semifinals on Saturday after both posted victories on Friday in Rotterdam, Netherlands.

Alcaraz, ranked No. 3 in the world, dismissed unseeded countryman Pedro Martinez 6-2, 6-1, while it took Hurkacz – ranked No. 21 in the world – nearly 2 1/2 hours to defeat No. 4 seed Andrey Rublev of Russia 6-7(5), 6-3, 6-4.

Alcarez out-aced his opponent 7-0 and won 91 per cent (21 of 23) of his first-serve points. Hurkacz posted 17 aces to Rublev’s five, and saving four of the five break points on his serve.

The other Saturday semifinal match will pit No. 3 seed Alex de Minaur of Australia against Italian qualifier Mattia Bellucci. de Minaur disposed of Germany’s Daniel Altmaier 6-1, 6-4, on Friday, while Bellucci continued his impressive run with a 6-4, 6-2 victory over sixth-seeded Stefanos Tsitsipas of Greece.

de Minaur didn’t produce an ace, but the No. 8 player in the world saved four of five break points while winning 77 per cent (20 of 26) of his first-serve points. Bellucci, ranked No. 92, served up five aces and saved all four break points en route to his first ATP Tour semifinal.

No. 2 seed Casper Ruud of Norway advanced to his first Dallas semifinal, when Japan’s Yoshihito Nishioka retired due to a shoulder injury.