It was a tough year for me, '89, losing two Slam finals and losing another five finals. It wasn't until I won the Masters, or what's now called the ATP Finals, that things changed again. Suddenly I won seven tournaments in 1990 and became No. 1.

It was a tough year for me, '89, losing two Slam finals and losing another five finals. It wasn't until I won the Masters, or what's now called the ATP Finals, that things changed again. Suddenly I won seven tournaments in 1990 and became No. 1.