Daniel Vallverdu defends five-set format after US Open quarter-final matches
Yahoo Sports • 1 min read • Latest: Sep 9, 2026, 3:00 PM
Last updated Sep 9, 2026

Following recent five-set matches at the US Open, former coach Daniel Vallverdu has publicly advocated for maintaining the existing best-of-five format in men’s tennis. His comments follow a marathon session at Arthur Ashe Stadium where Ben Shelton defeated Carlos Alcaraz 6-7, 6-1, 6-3, 1-6, 7-6 to reach the semi-finals. Earlier, Frances Tiafoe also secured a victory in a full five sets against Alex Michelsen. The discussion regarding potential format changes gained traction after Tennis Australia CEO Andrew Abdo suggested the Australian Open might explore shorter match durations for men’s singles. While officials consider ways to engage audiences, proponents of the traditional format maintain that the five-set structure remains a unique test of mental and physical endurance. Ben Shelton is now set to face Frances Tiafoe in the US Open semi-finals.
- •Ben Shelton defeated Carlos Alcaraz 6-7, 6-1, 6-3, 1-6, 7-6 in a US Open quarter-final.
- •Frances Tiafoe defeated Alex Michelsen 5-7, 3-6, 7-5, 6-3, 7-6.
- •Daniel Vallverdu publicly stated that tennis authorities should preserve the best-of-five set format.
- •Tennis Australia CEO Andrew Abdo suggested considering alternative formats for future men's singles events.
- •Ben Shelton will face Frances Tiafoe in the upcoming US Open semi-final.
- 3:00 PMYahoo Sports — Andy Murray’s ex-coach hits out after watching Ben Shelton vs Carlos Alcaraz, ‘leave best of five alone’
"Ben Shelton and Carlos Alcaraz contested one of the greatest matches in recent memory on Wednesday morning. Shelton emerged victorious, defeating Alcaraz 6-7, 6-1, 6-3,...
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