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ATP roundup: Kamil Majchrzak notches upset to succeed in Libema semis

Mar 21, 2026; Miami Gardens, FL, USA; Kamil Majchrzak (POL) reacts after winning a point against Learner Tien (USA) (not pictured) on day five of the 2026 Miami Open at Hard Rock Stadium. Mandatory Credit: Geoff Burke-Imagn ImagesMar 21, 2026; Miami Gardens, FL, USA; Kamil Majchrzak (POL) reacts after winning a point against Learner Tien (USA) (not pictured) on day five of the 2026 Miami Open at Hard Rock Stadium. Mandatory Credit: Geoff Burke-Imagn Images

Poland’s Kamil Majchrzak notched a stunning upset quarterfinal victory on Friday, taking down top-seeded Canadian Felix Auger-Aliassime 6-4, 6-3 in 69 minutes in the Libema Open at ‘s-Hertogenbosch, Netherlands.

Majchrzak won 85.1% (40 of 47) of his service points while earning his second career Top-10 victory. He will play in his third career ATP semifinal against the winner of Saturday’s quarterfinal between No. 3 seed Daniil Medvedev of Russia and Marin Cilic of Croatia.

Medvedev registered a 6-3, 4-6, 7-6 (6) victory over Thijs Boogaard of the Netherlands, while Cilic rallied for a 3-6, 7-6 (5), 6-3 win over Nuno Borges of Portugal.

No. 2 Alex de Minaur will face France’s Adrian Mannarino in the other semifinal. Australia’s de Minaur swept France’s Benjamin Bonzi 6-2, 6-4, and Mannarino beat China’s Zhang Zhizhen 7-6 (4), 6-3.

BOSS Open

Defending champion Taylor Fritz rallied for the second straight day, this time posting a 5-7, 7-5, 7-5 victory over Italy’s Mattia Bellucci at Stuttgart, Germany.

Fritz, the No. 2 seed, was two points away from losing to Spain’s Martin Landaluce on Thursday before recovering to win. This time, the second and third sets were both tied at 5-5 before Fritz (11 aces) turned his play up a notch to advance to the semifinals.

Fritz will next face No. 3 Alexander Bublik of Kazakhstan. Bublik ousted France’s Giovanni Mpetshi Perricard 7-6 (5), 7-6 (3). No. 4 Jiri Lehecka also landed a semifinal spot after the Czech recorded a 6-4, 7-6 (4) over No. 6 Frances Tiafoe.

Top-seeded Ben Shelton overcame a bumpy start to notch a 6-7 (4), 6-4, 7-6 (5) second-round victory over fellow American Marcos Giron. Shelton later lost the first of set (4-6) of his quarterfinal match to Japan’s Sho Shimabukuro before play was suspended due to darkness.

–Field Level Media

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