ATP roundup: Belgium wins, to face Switzerland in United Cup semis

Thursday’s tennis action delivered high-pressure wins, key tournament shakeups, and emerging momentum from both national and individual standouts. Belgium reached its first-ever United Cup semifinal with two gritty singles wins. American men continued to dominate in Brisbane, securing four quarterfinal spots. Meanwhile, in Hong Kong, Alexander Bublik took care of business while multiple seeds fell.

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Top Takeaways

  • Belgium stuns Czech Republic to make United Cup semis. Bergs and Mertens both scored huge wins—Bergs now has back-to-back top-20 victories.
  • U.S. men own Brisbane. Nakashima, Kovacevic, Korda, and Michelsen all reached the quarters—two will face off in an All-American showdown.
  • Bublik dominates with serve. The Kazakh No. 2 seed hit 12 aces and dropped just 3 games in a smooth advance to Hong Kong quarters.
  • Multiple seeds fall early in Hong Kong. Mmoh, Shang, and Giron all took out ranked opponents in straight sets, continuing the underdog theme.
  • Mertens outlasts Krejcikova in a 3-set war. The Belgian needed nearly three hours to push her team through.

Tournament Recaps

From team breakthroughs to individual upsets, Thursday’s tennis action delivered major storylines across three events. Belgium’s clutch performances punched their ticket to the United Cup semifinals, while American men took over the Brisbane draw with four players advancing. In Hong Kong, big names fell as unseeded players and late-round qualifiers stole the spotlight. Here’s how it all played out.

United Cup: Belgium def. Czech Republic

Zizou Bergs continued his hot form with a straight-set win over Jakub Mensik, building off his earlier upset of Felix Auger-Aliassime.
Elise Mertens sealed the tie in a marathon match, outlasting Krejcikova 5-7, 6-1, 7-5. Belgium now faces Switzerland in the semifinal. The U.S. awaits either Australia or Poland.

Brisbane International

Brandon Nakashima cruised past Quentin Halys 6-2, 6-4 to reach the quarterfinals, joining Aleksandar Kovacevic, who upset No. 7 seed Cameron Norrie in three sets.
With Sebastian Korda and Alex Michelsen already through, four American men make up half of the quarterfinal field. Also advancing: Belgium’s Raphael Collignon and France’s Giovanni Mpetshi Perricard.

Hong Kong Tennis Open

Alexander Bublik lived up to his No. 2 seed with a dominant 6-3, 6-3 win over Botic van de Zandschulp, powered by 12 aces and strong first-serve points.
Michael Mmoh knocked out No. 4 seed Karen Khachanov in two tiebreaks. China’s Juncheng Shang upset No. 5 seed Lorenzo Sonego 6-3, 6-4. Marcos Giron added to the American win total with a straight-sets win over Alexandre Muller.

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