Germany's Alexander Zverev returns the ball to Spain's Martin Landaluce during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by Joe Klamar / AFP via Getty Images)

Germany's Alexander Zverev returns the ball to Spain's Martin Landaluce during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by MAX SLOVENCIK / APA / AFP via Getty Images) / Austria OUT

Spain's Carlos Alcaraz celebrates winning against Russia's Karen Khachanov (not in picture) during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by MAX SLOVENCIK / APA / AFP via Getty Images) / Austria OUT

Spain's Carlos Alcaraz celebrates winning against Russia's Karen Khachanov (not in picture) during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by MAX SLOVENCIK / APA / AFP via Getty Images) / Austria OUT

Spain's Carlos Alcaraz celebrates winning against Russia's Karen Khachanov (not in picture) during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by Joe Klamar / AFP via Getty Images)

Spain's Carlos Alcaraz celebrates winning against Russia's Karen Khachanov (not in picture) during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by Joe Klamar / AFP via Getty Images)

Spain's Carlos Alcaraz celebrates winning against Russia's Karen Khachanov (not in picture) during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by Joe Klamar / AFP via Getty Images)

Spain's Carlos Alcaraz celebrates winning against Russia's Karen Khachanov (not in picture) during the Erste Bank Open 2026 ATP 500 tennis tournament in Vienna, Austria, on October 27, 2026. (Photo by Joe Klamar / AFP via Getty Images)