Conversation so far:
How did Suzanne Lenglen's professional career begin?
Suzanne Lenglen toured the United States in a series of matches against Mary K. Browne.
What was Suzanne Lenglen first professional tournament?
Suzanne Lenglen first professional tournament was a US tour against Mary K. Browne.

Question: Did she win her first tournament?
Self-contained rewrite: Did Suzanne Lenglen win her first tournament?