Ivo Karlovic – Professional Tennis Player
At 6’11, Ivo Karlovic is practically the tallest professional tennis player in history. Because of his massive wingspan, it was quite a difficult task for anyone to get past Karlovic.
Musashimaru Koyo – Sumo Wrestler
Is it considered cheating to choose a sumo wrestler for this list? Oh well. Standing at 6’4 and 518 lbs, Japanese Koyo became the world’s most dominant Sumo wrestler. He was the reigning champion for an entire decade. He won more than 700 fights while getting past barriers for being a foreign-born wrestler. Koyo eventually reached the highly respected rank of Yokozuna.