Sentence 1: Tipsarević started playing tennis at the age of six , and at the age of nine he began with the Russian coach Roman Savochkin at the New Belgrade Tennis Club .
Sentence 2: Tipsarević began playing tennis at age six , and at the age of nine , started playing at the New Belgrade Tennis Club with Russian coach Roman Savochkin .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?