Katarzyna Piter

Katarzyna Piter (born 16 February 1991) is a Polish professional tennis player.

In May 2014, she reached her career-high ranking of No. 95 in singles and in July 2022, No. 66 in doubles. She has won three doubles titles on the WTA Tour and one WTA 125 doubles title, as well as eight singles and twenty-five doubles titles on the ITF Women's Circuit.

Career
In July 2013, at the Palermo Ladies Open, Piter won her first title on the WTA Tour. She and partner Kristina Mladenovic upset Karolína and Kristýna Plíšková in the final, in a super-tiebreak.

Partnered with Fanny Stollár, she also won the doubles title at the 2023 Budapest Grand Prix, ten years after her first title. She and Stollár defended their title in Budapest the following year beating Anna Danilina and Irina Khromacheva in another super-tiebreak.

Fed Cup
Piter played 2009 for Poland in the Europe/Africa Zone I of the Fed Cup and helped them qualify for the World Group II Play-offs against Japan. In the round-robin stage, she lost her match against Monica Niculescu of Romania, won against Johanna Larsson of Sweden, beat Dijana Stojić of Bosnia and Herzegovina and paired up with Klaudia Jans to beat the Bosnian pairing. In the first play-off against Great Britain, she lost the first singles match to Elena Baltacha, 4–6, 1–6. Poland, however, won that tie.

Performance timelines
Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup, United Cup, Hopman Cup and Olympic Games are included in win–loss records.

Doubles
Current through the 2023 Budapest Grand Prix.

Record against top 10 players

 * She has a 0–2 record against players who were, at the time the match was played, ranked in the top 10.