Ivan Lendl has won a title.
Ivan Lendl . He also won a record 22 Grand Prix Super Series titles ( 1980 -- 89 ) , the precursors to the current ATP Masters 1000 . Lendl first attained the world No. 1 ranking on February 28 , 1983 and bolstered his claim to the top spot when he defeated John McEnroe in the 1984 French Open final . Lendl has won 94 singles titles , second only in the Open Era to Connors ' 109 titles .