American lucky loser Reilly Opelka put up an intense battle to stun top seed Daniil Medvedev 7-6(5) 7-6(5) and reach the Libema Open semifinals in Den Bosch on Friday.
Medvedev, who on Thursday edged a first set tiebreak against Frenchman Adrian Mannarino, hit three double faults in the second set tiebreak and five overall, compared to no such error by Opelka, who also hit 24 aces.
Making the most out of his second chance 🎭
— ATP Tour (@atptour) June 13, 2025
Reilly Opelka becomes the second men's lucky loser to reach the 's-Hertogenbosch semi-finals in the tournaments history! @LibemaOpen | #LibemaOpen pic.twitter.com/R8J5CDjNTB
Former Wimbledon junior champion Opelka will contest a an ATP grasscourt semifinal for the second time in his career having reached the same stage at Newport last year.
He will face Estonian qualifier Mark Lajal or Belgium's Zizou Bergs on Saturday for a spot in the final.
French second seed Ugo Humbert will play Canadian Gabriel Diallo in the other semi.
Diallo knocked out third seed Karen Khachanov 7-6(6) 6-4 while the Frenchman eliminated Portuguese Nuno Borges, seeded seventh, 6-1 6-4.
Fast and furious Diallo 🏍️
— ATP Tour (@atptour) June 13, 2025
Gabriel Diallo continues to shine in 's-Hertogenbosch as he defeats Khachanov to reach his second tour-level semi-final! @LibemaOpen | #LibemaOpen pic.twitter.com/sUwcDfXfJm
In the women's draw, second seed Ekaterina Alexandrova came from a set down to beat Veronika Kudermetova 5-7 6-4 6-2.
In the semifinals, she will face Belgian third seed Elise Mertens, who ousted China's Yue Yuan 6-0 6-4.
Romanian qualifier Elena-Gabriela Ruse upset Canadian wildcard Bianca Andreescu 6-2 6-4 and will face Elisabetta Cocciaretto.