 On 16 February 2009, the Radwańska sisters played their first official tour match against each other in the first round of the Barclays Dubai Tennis Championships.Urszula won the match in straight sets 6–4, 6–3 hitting six aces and 25 winners.At the BNP Paribas Open in Indian Wells, she defeated sixth-seeded Svetlana Kuznetsova in three sets, the highest ranked player she had ever defeated.