Are Sun Tiantian and Gene Mayer both tennis players?
Sun Tiantian Sun Tiantian (; ; born 12 October 1981) is a Chinese former professional tennis player.
Yair Wertheimer Yair Wertheimer (Hebrew: יאיר ורטהיימר‎ ‎ , also known as Meir Wertheimer; born March 11, 1955) is an Israeli former tennis player.