Left Handed...the Trump cardA huge variable in the Roscoe Tanner service motion equation is that he was left handed. What ever advantage that he may have had with said motion you multiply by 33.3% to realize the full beneficial value. That is a huge advantage when you think of the slim margin of errors built into the tennis scoring system. Holding serve is such a big part of the game...maybe even moreso in the classic game. Being left-handed is a trump card.


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