Polley competed in both the women's singles and mixed doubles tennis events at the 1924 Summer Olympics which were held in Paris, France, she had prepared for the event by reaching the semi-finals in a tournament in Cannes. In the Olympic women's singles she received a bye in the first round before meeting Greek player Lena Valaoritou-Skaramaga in the second round, she eventually won in three sets, in the third round she was up against Spanish player Lilí Álvarez, unfortunately she was totally outplayed and lost in straight sets 0–6, 3–6. In the mixed doubles she teamed up with Sydney Jacob also from India, they received a bye in the first round, then in the second round they lost to the Irish pair of Edwin McCrea and Mary Wallis in three sets.