Germany's Alexander Zverev serves to Italy's Flavio Cobolli during their 2026 ATP Tour Madrid Open tennis tournament quarter-final singles match at the Caja Magica in Madrid, on April 30, 2026. (Photo by Javier SORIANO / AFP via Getty Images)

Italy's Flavio Cobolli returns a ball to Germany's Alexander Zverev during their 2026 ATP Tour Madrid Open tennis tournament quarter-final singles match at the Caja Magica in Madrid, on April 30, 2026. (Photo by Javier SORIANO / AFP via Getty Images)

Germany's Alexander Zverev serves to Italy's Flavio Cobolli during their 2026 ATP Tour Madrid Open tennis tournament quarter-final singles match at the Caja Magica in Madrid, on April 30, 2026. (Photo by Javier SORIANO / AFP via Getty Images)

Italy's Flavio Cobolli returns a ball to Germany's Alexander Zverev during their 2026 ATP Tour Madrid Open tennis tournament quarter-final singles match at the Caja Magica in Madrid, on April 30, 2026. (Photo by Javier SORIANO / AFP via Getty Images)

Germany's Alexander Zverev serves to Italy's Flavio Cobolli during their 2026 ATP Tour Madrid Open tennis tournament quarter-final singles match at the Caja Magica in Madrid, on April 30, 2026. (Photo by Javier SORIANO / AFP via Getty Images)

A man plays a trumpet while wearing a jersey bearing an image of late football star Diego Maradona during a demonstration called by Argentine unions at Plaza de Mayo, Buenos Aires, on April 30, 2026, on the eve of International Workers' Day and against the government of Argentine President Javier Milei. (Photo by Juan Mabromata / AFP via Getty Images)

Italy's Flavio Cobolli returns a ball to Germany's Alexander Zverev during their 2026 ATP Tour Madrid Open tennis tournament quarter-final singles match at the Caja Magica in Madrid, on April 30, 2026. (Photo by Javier SORIANO / AFP via Getty Images)

Italy's Flavio Cobolli serves to Germany's Alexander Zverev during their 2026 ATP Tour Madrid Open tennis tournament quarter-final singles match at the Caja Magica in Madrid, on April 30, 2026. (Photo by Javier SORIANO / AFP via Getty Images)