Arhur Rinderknech also beat Alexander Zverev in five sets in the first round at Wimbledon 2025.
Some in tennis have charged that courts in tournaments have become too standardised and generally slower, which could give an advantage to certain players.
Taylor Fritz held off Alexander Zverev 6-3, 7-6 (7/4) to seal Team World's triumph in the Laver Cup on Sunday as two wins for Carlos Alcaraz on the final day proved too little for Team Europe.
It is the first time Zverev has failed to reach the second week in New York since 2018. He suffered his earliest Grand Slam exit in six years at Wimbledon last month after losing in round one.
Alexander Zverev cruised into the third round of the US Open on Thursday with a straight-sets win over Britain's Jacob Fearnley.
Karen Khachanov will play his 11th career ATP final against either Taylor Fritz or Ben Shelton.
Top-seeded Alexander Zverev rallied to defeat No. 18 Alexei Popyrin of Australia 6-7 (8), 6-4, 6-3 on Monday to reach the semifinals of the National Bank Open.
Top-seeded Alexander Zverev of Germany led Francisco Cerundolo 6-4, 1-0 when the 14th-seeded Argentine retired because of an abdominal injury Saturday night in the National Bank Open.
Top seed Alexander Zverev switched into survival mode to claim a milestone 500th ATP match win on Thursday, fighting back to beat Matteo Arnaldi 6-7 (5/7), 6-3, 6-2 at the Toronto Masters.
Alexander Zverev has spent the last weeks dealing with mental burnout and also made a trip to Rafael Nadal's Mallorca academy for consultations.