1989 Lufthansa Cup – Singles

Steffi Graf was the defending champion going into the final against her rival Gabriela Sabatini. Just the previous month, Sabatini defeated Steffi Graf 3–6, 6–3, 7–5 in the final at Amelia Island, Florida. Now, in her native Germany, Steffi would turn the tables against Sabatini, beating her 6–3, 6–1. Prior to this match, Sabatini had played in four finals in 1989, with her winning twice. For Steffi, this victory was her seventh of the year, and marked the sixteenth time out of nineteen matches she had beaten Sabatini.

Source: Wikipedia DBpedia

What is 1989 Lufthansa Cup – Singles subject of?

1989 Lufthansa Cup – Singles is subject of WTA German Open and 1989 WTA Tour.