Rain falls on center court at the National Bank Open tennis tournament in Montreal, Thursday, Aug. 8, 2024. (Graham Hughes/The Canadian Press via AP)
Hubert Hurkacz, right, of Poland, holds an umbrella next to a ball boy during a rain stoppage ahead of his second-round match against Thanasi Kokkinakis, of Australia, at the National Bank Open tennis tournament in Montreal, Thursday, Aug. 8, 2024. (Graham Hughes/The Canadian Press via AP)
Germany's Alexander Zverev serves to Australia's Jordan Thompson during their second round match at the National Bank Open tennis tournament, Thursday, Aug. 8, 2024, in Montreal. (Ryan Remiorz/The Canadian Press via AP)
Germany's Alexander Zverev gestures to fans after defeating Australia's Jordan Thompson in straight sets in their second round match at the National Bank Open tennis tournament, Thursday, Aug. 8, 2024, in Montreal. (Ryan Remiorz/The Canadian Press via AP)
Germany's Alexander Zverev returns a shot to Australia's Jordan Thompson during their second round match at the National Bank Open tennis tournament, Thursday, Aug. 8, 2024, in Montreal. (Ryan Remiorz/The Canadian Press via AP)
People sit with umbrellas on center court during a rain stoppage ahead of the second round match between Thanasi Kokkinakis, of Australia, and Hubert Hurkacz, of Poland at the National Bank Open tennis tournament in Montreal, Thursday, Aug. 8, 2024. (Graham Hughes/The Canadian Press via AP)
Daniil Medvedev waves to the crowd as he leaves the court after losing to Spain's Alejandro Davidovich Fokina in their second round match at the National Bank Open tennis tournament, Thursday, Aug. 8, 2024, in Montreal. (Ryan Remiorz/The Canadian Press via AP)
Australia's Jordan Thompson, left, leaves the court as Germany's Alexander Zverev looks on after their second round match at the National Bank Open tennis tournament, Thursday, Aug. 8, 2024, in Montreal. (Ryan Remiorz/The Canadian Press via AP)
Workers dry center court following rainfall at the National Bank Open tennis tournament in Montreal, Thursday, Aug. 8, 2024. (Graham Hughes/The Canadian Press via AP)
Italy's Jannik Sinner returns a shot to Croatia's Borna Coric during their second-round match at the National Bank Open tennis tournament Thursday, Aug. 8, 2024, in Montreal. (Ryan Remiorz/The Canadian Press via AP)