Nikola Bartůňková

Nikola Bartůňková (born 25 February 2006) is a Czech tennis player. Bartůňková has a career-high singles ranking by the Women's Tennis Association (WTA) of 226, achieved on 8 April 2024, and a career-high WTA doubles ranking of 320, achieved on 14 August 2023.

Career
In April 2021, at the 2021 İstanbul Cup, Bartůňková attempted her WTA Tour debut. She defeated world No. 152, Leonie Küng, in the first round of qualifying, before losing to Anastasia Gasanova. She made her WTA Tour debut at the same tournament one year later, after having been handed a wildcard for the main draw. On 16 October 2023, Bartůňková won her first tour-level match when she defeaded former world No. 21, Dayana Yastremska, in the first round of the 2023 Transylvania Open, before losing in three hours to Ana Bogdan in the second round.

On 9 May 2024, Bartůňková has been provisionally suspended under the Tennis Anti-Doping Programme (TADP). She provided samples at the W50 event in Trnava, Slovakia (February 2024), and at the W75 event in Maribor, Slovenia, (March 2024). Samples contained trimetazidine and Bartůňková didn’t possess a valid TUE for the substance. The provisional suspension is effective from 16 April 2024. Bartůňková stated that she is shocked, feel innocent and never knowingly consumed any banned substance.

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

Singles
Current after the 2023 Cluj Open.

Doubles
Current after the 2023 Prague Open.