https://i.cbc.ca/ais/9ea34a33-691f-4403-803a-01de89326a5e,1784920575156/full/max/0/default.jpg?im=Crop%2Crect%3D%2820%2C0%2C1139%2C640%29%3BResize%3D%28620%29" title="From left: Neither Jannik Sinner nor Novak Djokovic will compete in Montreal after both players were included on the entry list for the ATP Masters 1000 tournament at IGA Stadium from Aug. 1-13." width="620" />
World No. 1 Jannik Sinner and 24-time Grand Slam champion Novak Djokovic have withdrawn from the National Bank Open.