Agnieszka Roma Radwanska (born 6 March 1989 in Kraków, Poland) is a Polish tennis player. She defeated Tamira Paszek of Austria to win the 2005 Girl's Singles Championship at Wimbledon. Her younger sister Ursula plays in the girls championship.
Radwanska became the first Polish player in history to claim a Sony Ericsson WTA Tour singles title, steamrolling Vera Dushevina in straight sets in the Nordea Nordic Light Open final.
In the third round at the 2007 U.S. Open, Radwanska upset the heavily favored defending champion, No. 2 seed Maria Sharapova, in three sets (6-4, 1-6, 6-2). This marked the first time since 1981 a No. 2 seed lost before the fourth round at the Open.
In May, Radwanska played her first WTA tournament at the Tier II J&S Cup in Warsaw, where she reached the quarterfinals. In her first match, she defeated seventh-seeded Anastasia Myskina 6–4, 4–6, 6–4. In the second round, she beat Klára Koukalová but lost in the quarterfinals to Elena Dementieva in three sets.
In June, Radwanska won her second Grand Slam junior singles title, defeating top-seeded Anastasia Pavlyuchenkova in the final of the French Open. She reached the top of the ITF rankings and received a wild card for the main draw at Wimbledon.
At Wimbledon, Radwanska lost in the fourth round to second-seeded Kim Clijsters. Radwanska was just the fifth ever wildcard to reach the fourth round of Wimbledon.
In August, Radwanska won three qualifying matches to reach the main draw of the U.S. Open. She lost in the second round to Tatiana Golovin.
At the Fortis Championships Luxembourg tournament, Radwanska lost in the semifinals to Francesca Schiavone after defeating former World No. 1 Venus Williams in the second round and top-seeded Dementieva in the quarterfinals 7–5, 6–2.
At the Tier I Sony Ericsson Open in Key Biscayne, Florida, World No. 49 Radwanska defeated World No. 6 Martina Hingis in the third round 4–6, 6–3, 6–2. She lost to Tathiana Garbin in the next round 6–3, 6–4.
In May, Radwanska won her first WTA doubles title in Istanbul, partnering her younger sister Urszula. However, in singles, she lost to World No. 2 Maria Sharapova in the quarterfinals.
In August, Radwanska won her first WTA singles title in Stockholm, without losing a set. She became the first Polish player in history to claim a WTA tour singles title.
At the U.S. Open, Radwanska defeated defending champion Sharapova in the third round 6–4, 1–6, 6–2. This was the first time that a second-seeded female player had lost before the fourth round since Andrea Jaeger in 1981. Radwanska then lost to Shahar Pe'er in the fourth round 6–4, 6–1.
Radwanska upset World No. 2 Svetlana Kuznetsova in the third round of the Australian Open 6–3, 6–4. She then defeated 14th-seededed Nadia Petrova 1–6, 7–5, 6–0 to reach her first Grand Slam singles tournament quarterfinal. There, Radwanska lost to ninth-seeded Daniela Hantuchova 6–2, 6–2. This tournament was the first time that two female Poles, Radwanska and Marta Domachowska, reached the fourth round of a Grand Slam singles tournament.
At the Pattaya Women's Open in Thailand, Radwanska won her second career WTA tournament singles title, beating Jill Craybas in the final.
In February, Radwanska reached her first Tier I semifinal at the Qatar Total Open in Doha, defeating Dominika Cibulkova in a nearly three hour quarterfinal match 6–4, 6–7, 6–4. Maria Sharapova then defeated Radwanska 6–4, 6–3.
In March, Radwanska lost in the quarterfinals of the Tier I Pacific Life Open in Indian Wells, California to Svetlana Kuznetsova 6–2, 6–4.
Her younger sister Urszula Radwanska is an accomplished tennis player in her own right, a multiple grand slam tournament winner on the junior level, and the top-rated junior for the year of 2007 in the ITF standings.