Boris Becker was a great tennis player, just not top 10. With 6 Grand Slam titles, 49 career titles, and a number 1 ranking for only twelve weeks it's hard to place him in the top 10. Top 15, most definitely.
Why is Ken Rosewall not on this list?
Who is the best women's tennis player of all time?
Shouldn't Poncho Gonzalez be included in a list of the ten greatest men's tennis players of all time?