Gstaad 2025 Quarterfinals: Buse Makes History, Cerúndolo Stuns Ruud

tomasz-wilk
18 Jul 2025
Tomasz Wilk 18 Jul 2025
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  • Buse becomes first Peruvian ATP semifinalist since 2023
  • Juan Manuel Cerúndolo ends Casper Ruud's unbeaten streak at Gstaad
  • Bublik continues impressive clay-court season with straight-sets win
ATP Gstaad
Surprises in the Swiss Alps – Buse, Cerúndolo, and Bublik shine in Gstaad quarterfinals (credit: Getty)

Gstaad Quarterfinal Round-Up: Buse Makes History, Cerúndolo Ends Ruud’s Reign

The ATP 250 event in Gstaad delivered surprises and breakthroughs in the quarterfinals, as the clay courts witnessed the fall of a local favorite, a historic Peruvian run, and continued form from a resurgent clay-court convert.
  • Gstaad Quarterfinal Round-Up: Buse Makes History, Cerúndolo Ends Ruud’s Reign
  • 🇵🇪 Ignacio Buse def. Román Andrés Burruchaga 6–3, 3–6, 6–1
  • 🇦🇷 Juan Manuel Cerúndolo def. 🇳🇴 Casper Ruud 6–2, 1–6, 6–3
  • 🇰🇿 Alexander Bublik def. 🇦🇷 Francisco Comesaña 6–4, 6–3
  • 🇫🇷 Arthur Cazaux def. 🇨🇭 Jérôme Kym 7–6(5), 3–6, 6–3

🇵🇪 Ignacio Buse def. Román Andrés Burruchaga 6–3, 3–6, 6–1

Peruvian Breakthrough 

Ignacio Buse
Ignacio Buse celebrates a milestone win as he becomes the first Peruvian ATP semifinalist since 2023. (credit: Getty)

Ignacio Buse became the first Peruvian to reach an ATP semifinal in over two years, following Juan Pablo Varillas’ run in Buenos Aires 2023. Buse outlasted Burruchaga in a physical three-set contest and is now on the cusp of a career-best result.

🇦🇷 Juan Manuel Cerúndolo def. 🇳🇴 Casper Ruud 6–2, 1–6, 6–3

Ruud’s Gstaad Streak Ends 

Juan Manuel Cerundolo
Juan Manuel Cerúndolo stuns Casper Ruud to end the Norwegian’s perfect Gstaad record. (credit: Getty)

Juan Manuel Cerúndolo pulled off the upset of the day, ending Casper Ruud’s unbeaten record in Gstaad. Ruud, a two-time former champion at the venue, had never lost a match here until today. Cerúndolo’s defensive grit and smart shot selection proved decisive.

🇰🇿 Alexander Bublik def. 🇦🇷 Francisco Comesaña 6–4, 6–3

Bublik, Clay Specialist? 

 Alexander Bublik
Alexander Bublik continues his red-hot clay run with another confident straight-sets victory. (credit: Getty)

Alexander Bublik’s clay-court renaissance continued with a composed straight-sets win. Now 17–6 on clay this season, the Kazakh is enjoying by far the best clay campaign of his career and looks locked in as the business end of the tournament approaches.

🇫🇷 Arthur Cazaux def. 🇨🇭 Jérôme Kym 7–6(5), 3–6, 6–3

Cazaux Survives Local Talent

Arthur Cazaux
Arthur Cazaux holds firm in the clutch, winning his third straight three-setter to reach the Gstaad semifinals. (credit: Getty)

Arthur Cazaux edged past home favorite Jérôme Kym in front of a vocal Swiss crowd. It marks Cazaux’s third consecutive three-set win this week, showcasing both mental toughness and clutch play when it counts.