Solution:

On 29th July 2018, Dustin Johnson won the 2018 RBC Canadian Open at the Glen Abbey Golf Club in Oakville in Canada.Dustin Johnson shot a 6-under par 66 and won his first RBC Canadian Open at 23-under par. He is currently in world number one position.
Now he has become the first player after Tiger Woods (2005-09) with at least three wins in three consecutive seasons.
Dustin Johnson was awarded $1,116,000 for the win. Byeong Hun An and Whee Kim secured second place.
Mackenzie Hughes won his second consecutive Rivermead Cup. This Cup is presented to the low Canadian who finishes in a tie for 8th at 15-under par.