Italy's Jannik Sinner hits a return to Italy's Andrea Pellegrino during the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Tiziana FABI / AFP via Getty Images)

Italy's Jannik Sinner hits a return to Italy's Andrea Pellegrino during the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Tiziana FABI / AFP via Getty Images)

Italy's Jannik Sinner reacts during the match against Italy's Andrea Pellegrino in the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Tiziana FABI / AFP via Getty Images)

Italy's Jannik Sinner eyes the ball before hitting a return against Italy's Andrea Pellegrino during the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Tiziana FABI / AFP via Getty Images)

Italy's Jannik Sinner hits a return to Italy's Andrea Pellegrino during the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Tiziana FABI / AFP via Getty Images)

Italy's Jannik Sinner hits a return to Italy's Andrea Pellegrino during the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Tiziana FABI / AFP via Getty Images)

Italy's Luciano Darderi serves to Germany's Alexander Zverev during the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Andreas SOLARO / AFP via Getty Images)

Italy's Jannik Sinner reacts during the match against Italy's Andrea Pellegrino in the ATP Rome Open tennis tournament at Foro Italico in Rome on May 12, 2026. (Photo by Tiziana FABI / AFP via Getty Images)