'I invited Federer, Nadal and Djokovic to my party and I can't wait to retire age 31'
The former world No. 3 is ready to say goodbye at his home tournament, the Vienna Open, at the age of 31. Thiem has already extended a retirement party invitation to Roger Federer, Rafael Nadal and Novak Djokovic after they sent him heartfelt messages ahead of his farewell.