Jannik Sinner's withdrawal from the Canadian Open has ended his bid to become the first player to complete a clean sweep of all nine Masters 1000 titles in a single season. 1 has already captured five Masters 1000 titles and Wimbledon this season. AdTrending"I’m not surprised by Jannik’s withdrawal from Montreal, it’s right to save himself for the US Open," Fognini said. Jannik Sinner's US Open preparations to begin at Cincinnati OpenHaving skipped the Canadian Open to prioritize his health, Jannik Sinner is expected to return to action at the Cincinnati Open, scheduled for August 8-23. He will now be looking to reach a third consecutive Cincinnati final while using the event as his final preparation for the US Open.