Conversation so far:
Whose playing style are we talking about in this story?
Stefanie Maria Steffi Graf is a German former professional tennis player.
What is the first name of Steffi Graf?
Steffi Graf's full name is Stefanie Maria Steffi Graf.

Question: what was something about this persons playing style that really stuck out
Self-contained rewrite: What was something about Steffi Graf's playing style that really stuck out?