Urszula began the season at the Brisbane International.
She scored a three-set win over Tamira Paszek in the first round.
She then lost in the second round to qualifier Ksenia Pervak.
Urszula played her final tournament before the Australian Open at the Apia International Sydney.
She was defeated in the first round by seventh seed Caroline Wozniacki.
Urszula was seeded for the first time of her career at a Grand Slam event at the Australian Open.
However, she fell in the first round to Jamie Hampton.

After the Australian Open, Urszula competed at the Open GDF Suez.
She lost in the first round to eventual champion Mona Barthel.
Urszula won her first tour match of 2013 at the Qatar Total Open defeating Nadiia Kichenok in the first round.
She then upset fifteenth seed Roberta Vinci in the second round.
Her run ended as she lost in the third round to second seed, Serena Williams.
Urszula qualified for the Dubai Tennis Championships beating Yuliya Beygelzimer, Akgul Amanmuradova, and Kurumi Nara.
She lost in the first round of the main draw to Jie Zheng.
In March, Urszula played at the BNP Paribas Open.
She beat Arantxa Rus in her first round match.
In the second round, she upset fifteenth seed Sloane Stephens.
In the third round, she got the victory over Jamie Hampton.
In the fourth round, she lost to top seed and defending champion Victoria Azarenka.
After Indian Wells, Urszula played at the Sony Open Tennis.
She won her first round match over Annika Beck.
She then lost to twelfth seed Ana Ivanovic in the second round.
Seeded seventh at the Monterrey Open, Urszula lost in the quarterfinals to third seed Maria Kirilenko.

Urszula began her clay-court season at the Portugal Open.
She upset second seed Dominika Cibulková in her first-round match.
In the second round, she lost to Ayumi Morita.
At the Mutua Madrid Open, Urszula was defeated in the first round by seventh seed Sara Errani.
Her final tournament before the French Open was the Italian Open.
In the first round, she upset fifteenth seed Ana Ivanovic.
She then fell in the second round to Ayumi Morita.
Ranked forty at the French Open, Urszula stunned thirtieth seed and seven time Grand Slam winner Venus Williams in the first round.
She lost in the second round to qualifier Dinah Pfizenmaier.

Urszula began her grass-court season at the Aegon Classic.
Seeded eighth and receiving a first-round bye, she was defeated in the second round by eventual finalist Donna Vekić.
Seeded seventh at the Topshelf Open, Urszula lost in the quarterfinals to fourth seed and eventual finalist Kirsten Flipkens.
Ranked forty-four at the Wimbledon Championships, Urszula lost in the second round to American wildcard Alison Riske.

Urszula began her US Open series by playing at the Bank of the West Classic.
She won her first two rounds comfortably over Christina McHale and Daniela Hantuchová.
She lost in the quarterfinals to third seed and eventual champion Dominika Cibulková.
The week after Stanford, Urszula stayed in California and competed at the Southern California Open.
She beat qualifier Marina Erakovic and sixth seed Jelena Janković in her first two rounds.
She was defeated in the quarterfinals by top seed and eventual finalist Victoria Azarenka.
Urszula suffered a first-round loss at the Rogers Cup to Flavia Pennetta.
As the top seed for qualifying at the Western & Southern Open, Urszula was defeated in the first round of qualifying by Petra Martić.
Ranked thirty-eight at the US Open, Urszula lost in the second round to fifteenth seed Sloane Stephens.

Seeded fifth at the Guangzhou International Women's Open, Urszula was defeated in the first round by Vesna Dolonc.
In Tokyo at the Toray Pan Pacific Open, she lost in the first round to sixteenth seed Dominika Cibulková.
Urszula played her final tournament of the year at the China Open.
She upset sixteenth seed Simona Halep in her first-round match.
She lost in the second round to Maria Kirilenko.

Urszula ended the year ranked 43.
Urszula began the season at the Brisbane International. She scored a three-set win over Tamira Paszek in the first round. She then lost in the second round to qualifier Ksenia Pervak. Urszula played her final tournament before the Australian Open at the Apia International Sydney. She was defeated in the first round by seventh seed Caroline Wozniacki. Urszula was seeded for the first time of her career at a Grand Slam event at the Australian Open. However, she fell in the first round to Jamie Hampton.
After the Australian Open, Urszula competed at the Open GDF Suez. She lost in the first round to eventual champion Mona Barthel. Urszula won her first tour match of 2013 at the Qatar Total Open defeating Nadiia Kichenok in the first round. She then upset fifteenth seed Roberta Vinci in the second round. Her run ended as she lost in the third round to second seed, Serena Williams. Urszula qualified for the Dubai Tennis Championships beating Yuliya Beygelzimer, Akgul Amanmuradova, and Kurumi Nara. She lost in the first round of the main draw to Jie Zheng. In March, Urszula played at the BNP Paribas Open. She beat Arantxa Rus in her first round match. In the second round, she upset fifteenth seed Sloane Stephens. In the third round, she got the victory over Jamie Hampton. In the fourth round, she lost to top seed and defending champion Victoria Azarenka. After Indian Wells, Urszula played at the Sony Open Tennis. She won her first round match over Annika Beck. She then lost to twelfth seed Ana Ivanovic in the second round. Seeded seventh at the Monterrey Open, Urszula lost in the quarterfinals to third seed Maria Kirilenko.
Urszula began her clay-court season at the Portugal Open. She upset second seed Dominika Cibulková in her first-round match. In the second round, she lost to Ayumi Morita. At the Mutua Madrid Open, Urszula was defeated in the first round by seventh seed Sara Errani. Her final tournament before the French Open was the Italian Open. In the first round, she upset fifteenth seed Ana Ivanovic. She then fell in the second round to Ayumi Morita. Ranked forty at the French Open, Urszula stunned thirtieth seed and seven time Grand Slam winner Venus Williams in the first round. She lost in the second round to qualifier Dinah Pfizenmaier.
Urszula began her grass-court season at the Aegon Classic. Seeded eighth and receiving a first-round bye, she was defeated in the second round by eventual finalist Donna Vekić. Seeded seventh at the Topshelf Open, Urszula lost in the quarterfinals to fourth seed and eventual finalist Kirsten Flipkens. Ranked forty-four at the Wimbledon Championships, Urszula lost in the second round to American wildcard Alison Riske.
Urszula began her US Open series by playing at the Bank of the West Classic. She won her first two rounds comfortably over Christina McHale and Daniela Hantuchová. She lost in the quarterfinals to third seed and eventual champion Dominika Cibulková. The week after Stanford, Urszula stayed in California and competed at the Southern California Open. She beat qualifier Marina Erakovic and sixth seed Jelena Janković in her first two rounds. She was defeated in the quarterfinals by top seed and eventual finalist Victoria Azarenka. Urszula suffered a first-round loss at the Rogers Cup to Flavia Pennetta. As the top seed for qualifying at the Western & Southern Open, Urszula was defeated in the first round of qualifying by Petra Martić. Ranked thirty-eight at the US Open, Urszula lost in the second round to fifteenth seed Sloane Stephens.
Seeded fifth at the Guangzhou International Women's Open, Urszula was defeated in the first round by Vesna Dolonc. In Tokyo at the Toray Pan Pacific Open, she lost in the first round to sixteenth seed Dominika Cibulková. Urszula played her final tournament of the year at the China Open. She upset sixteenth seed Simona Halep in her first-round match. She lost in the second round to Maria Kirilenko.
Urszula ended the year ranked 43.
Urszula Radwańska