Greece's Stefanos Tsitsipas celebrates his victory against Belgium's Raphael Collignon during their men's singles final match at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Greece's Stefanos Tsitsipas celebrates his victory against Belgium's Raphael Collignon during their men's singles final match at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Greece's Stefanos Tsitsipas (R) returns the ball to Belgium's Raphael Collignon during their men's singles final match at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Belgium's Raphael Collignon reacts during his men's singles final match against Greece's Stefanos Tsitsipas at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Greece's Stefanos Tsitsipas returns the ball to Belgium's Raphael Collignon during their men's singles final match at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Greece's Stefanos Tsitsipas plays a forehand return to Belgium's Raphael Collignon during their men's singles final match at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Greece's Stefanos Tsitsipas reacts during his men's singles final match against Belgium's Raphael Collignon at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Greece's Stefanos Tsitsipas plays a forehand return to Belgium's Raphael Collignon during their men's singles final match at the Swiss Open tennis tournament in Gstaad, on July 19, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)