Career
On 16 August 2004, she reached her best singles ranking of world number 410. On 10 September 2012, she peaked at world number 28 in the doubles rankings. In 2012 she advanced to her first Grand Slam final at 2012 French Open – Mixed Doubles with Santiago Gonzalez.
Jans-Ignacik is one of seven Polish tennis players in history who played in a Grand Slam final, others being Jadwiga Jędrzejowska, Wojtek Fibak, Mariusz Fyrstenberg, Marcin Matkowski, Agnieszka Radwańska and Łukasz Kubot.
She plays right handed with a double handed backhand. Klaudia married Bartosz Ignacik in 2011 and added his surname to her own.
In 2014 she returned to professional competition and reached six doubles semifinals, one of them at the 2014 Banque Nationale de Paris Paribas Katowice Open in her home country. In January 2015 Jans-Ignacik advanced to her first women"s doubles Grand Slam quarterfinal, with Andreja Klepač, at the Australian Open.
They lost in straight sets to Chan Yung-jan and Zheng Jie.
Grand Slam finals
= Mixed Doubles: 1 (1 runner-up) Premier Mandatory/Premier 5 finals
= Doubles: 1 (1 title)
Doubles: 10 (3 titles, 7 runners-up)
To prevent confusion and double counting, information in this table is updated only once a tournament or the player"s participation in the tournament has concluded.