STUTTGART, GERMANY - APRIL 18: Karolina Muchova of Czechia hits a smash to Elina Svitolina of the Ukraine during their semi final match on day six of the Porsche Tennis Grand Prix 2026 at Porsche Arena on April 18, 2026 in Stuttgart, Germany. (Photo by Adam Pretty/Getty Images)

Ukraine's Elina Svitolina serves the ball to Czech Republic's Karolina Muchova (not in picture) during their semifinal match at the Women's Tennis Grand Prix WTA tournament in Stuttgart, southwestern Germany, on April 18, 2026. (Photo by THOMAS KIENZLE / AFP via Getty Images)

Czech Republic's Karolina Muchova returns the ball to Ukraine's Elina Svitolina (not in picture) during their semifinal match at the Women's Tennis Grand Prix WTA tournament in Stuttgart, southwestern Germany, on April 18, 2026. (Photo by THOMAS KIENZLE / AFP via Getty Images)

Ukraine's Elina Svitolina returns the ball to Czech Republic's Karolina Muchova (not in picture) during their semifinal match at the Women's Tennis Grand Prix WTA tournament in Stuttgart, southwestern Germany, on April 18, 2026. (Photo by THOMAS KIENZLE / AFP via Getty Images)

Ukraine's Elina Svitolina returns the ball to Czech Republic's Karolina Muchova (not in picture) during their semifinal match at the Women's Tennis Grand Prix WTA tournament in Stuttgart, southwestern Germany, on April 18, 2026. (Photo by THOMAS KIENZLE / AFP via Getty Images)

Ukraine's Elina Svitolina returns the ball to Czech Republic's Karolina Muchova (not in picture) during their semifinal match at the Women's Tennis Grand Prix WTA tournament in Stuttgart, southwestern Germany, on April 18, 2026. (Photo by THOMAS KIENZLE / AFP via Getty Images)

Ukraine's Elina Svitolina reacts as she plays against Czech Republic's Karolina Muchova (not in picture) during their semifinal match at the Women's Tennis Grand Prix WTA tournament in Stuttgart, southwestern Germany, on April 18, 2026. (Photo by THOMAS KIENZLE / AFP via Getty Images)

Serbia's Hamad Medjedovic returns the ball to Russia's Andrey Rublev during their men's singles semi-final match at the ATP Barcelona Open "Conde de Godo" tennis tournament in Barcelona, on April 18, 2026. (Photo by Manaure Quintero / AFP via Getty Images)