Conversation so far:
When did Graf start Steffi Graf's post career exhibition matches?
In late 1999 and early 2000, as part of her Farewell Tour.
Who did Graf play for in her exhibition matches?
She played Jelena Dokic in Christchurch, New Zealand, Amanda Coetzer in Durban, South Africa, and her former rival Arantxa Sanchez Vicario in Zaragoza, Spain.
Did she perform well?
In February 2000, Graf played against Kimiko Date at Nagoya Rainbow Hall in Tokyo, winning in three sets.

Question: Did she play for charity during her exhibition career?
Self-contained rewrite: Did Steffi Graf play for charity during her exhibition career?