"There are a lot of women's stories, and interestingly enough, a lot of those stories exploring sexual relationships, " programme director Trevor Groth said.
In South Africa, Britain's Elena Baltacha lost 2-6 7-6 6-4 to Jarmila Groth in the quarter-finals of the International Tennis Federation event in Johannesburg.
Keothavong had managed a confidence-boosting three set win over world number 41 Jarmila Groth the day before, but couldn't repeat her efforts on Wednesday.