Conversation so far:
What did Suzanne Lenglen do during her final amateur year
In what would turn out to become her last year as an amateur player, Lenglen played what many consider to be her most memorable match.
what was lenglen's most memorable match of her final amateur year
The February 1926 tournament at the Carlton Club in Cannes
who did lenglen play against in her most memorable match of her final amateur year
Helen Wills

Question: why was it so memorable
Self-contained rewrite: why was the February 1926 tournament at the Carlton Club so memorable