Terry Tibbs
Hall of Fame
Leyton Hewitt, Andy Murray, Marat Safin, Stan Wawrinka, Jim Courier, Pat Rafter, Sergi Bruguera, Yevgeny Kafelnikov and Gustavo Kuerton are players to have won 2-4 slams. Who was the best? Who do you feel under-achieved and had the potential to be an ATG?