Guerrant was the winner of four singles titles in Portland (1973), South Florida, and in Wellington and Auckland, New Zealand (1972).

Anne retired from the pro tour in 1980, and since then she has also won one world and fourteen age group National Singles Championships as of 2016.

She is a retired real estate entrepreneur, a philanthropist, and author of How to Be Richer Than Your Parents, a book about finances for high schoolers and young adults.

The crowds grew, prize money kept increasing, and women gained more and more respect as athletes and as people.

When Guerrant was playing on the pro tour and traveling the world she saw poverty, especially the favelas (slums) of Rio de Janeiro, Brazil.

After seeing the extreme poverty and the impressive entrepreneurial results that women had achieved taking out and re-paying small loans, the couple decided micro-lending was the best way to make a lasting difference.

The Guerrant Foundation helps women and families improve their lives through small loans to start their own businesses.