Top tennis players Jannik Sinner, Novak Djokovic, and Carlos Alcaraz have all withdrawn from the upcoming Masters 1000 tournament in Toronto, also known as the National Bank Open. The withdrawals follow the recent Wimbledon tournament, which appears to have impacted the players' schedules and fitness. Sinner and Djokovic initially announced their absence, with Alcaraz later confirming he would not compete, expressing regret over his decision. Their absence removes some of the biggest favorites from the tournament, significantly altering the competitive landscape of the event.