1991 ATP Tour World Championships
The 1991 ATP Tour World Championships was held in Frankfurt, Germany between November 12 and November 17, 1991.Finals
Singles
defeated Jim Courier, 3–6, 7–6, 6–3, 6–4Doubles
/ Anders Järryd defeated Ken Flach / Robert Seguso 6–4, 6–4, 2–6, 6–4.