Since 2009 , the Big Four have won 78 of the last 97 ATP Tour Masters 1000 finals , through to 2019 Cincinnati Masters .
Since the start of 2009 , the Big Four ( Roger Federer , Rafael Nadal , Novak Djokovic , and Andy Murray ) have combined to win 78 of the last 97 ATP Tour Masters 1000 finals ( through to 2019 Cincinnati Masters ) , and had a streak of 42 consecutive