Alexander Zverev was sympathetic for Joel Schwaerzler after hammering the 18-year-old wild card in his hometown debut at the Erste Bank Open on Monday.
Japan's Naomi Osaka said she will skip next month's Billie Jean King Cup Finals in Spain as she recovers from injuries that have kept her out of key tournaments during the WTA's Asian swing.
Top seed the United States will face neighbor Canada in the group stage when Coco Gauff makes her debut in the third edition of the United Cup mixed team tournament in Sydney and Perth at the start of next season.
Jannik Sinner defeated Carlos Alcaraz 6-7 (5), 6-3, 6-3 for the championship in the Six Kings Slam exhibition Saturday, after Novak Djokovic topped Rafael Nadal 6-2, 7-6 (5) in the third-place match at Riyadh, Saudi Arabia.
Rafael Nadal has said he will not push to play in singles at his farewell Davis Cup appearance next month unless he is "100% sure" he is ready to win his match.