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Nikola Bartůňková

Nikola Bartůňková
Country (sports) Czech Republic
Born (2006-02-25) 25 February 2006
Prague, Czech Republic
Height1.82 m (6 ft 0 in)
PlaysRight-handed
Prize moneyUS$203,650
Singles
Career record143–64
Career titles6 ITF
Highest rankingNo. 104 (9 February 2026)
Current rankingNo. 104 (9 February 2026)
Grand Slam singles results
Australian Open3R (2026)
Doubles
Career record15–13
Highest rankingNo. 320 (14 August 2023)
Current rankingNo. 718 (27 October 2025)
Last updated on: 27 October 2025.

Nikola Bartůňková (born 25 February 2006) is a Czech tennis player.[1] Bartůňková has a career-high singles ranking of world No. 104, achieved on 9 February 2026, and a best doubles ranking of No. 320, achieved on 14 August 2023, by the WTA.

Career

2021–24: WTA debut, 6 months anti-doping ban

In April 2021, at the 2021 İstanbul Cup, Bartůňková attempted her WTA Tour debut. She defeated world No. 152, Leonie Küng,[2] 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 being handed a wildcard entry for the main-draw, losing to Anastasia Potapova.[3]

On 16 October 2023, Bartůňková won her first WTA Tour-level match when she defeated Dayana Yastremska in the first round of the 2023 Transylvania Open,[4][5] before losing in three hours to Ana Bogdan in the second round.[6][7]

In November 2024, Bartůňková was issued with a six-month competition ban backdated to April 2024 for an anti-doping rule violation after testing positive for unintentional use of trimetazidine (TMZ) at two events in early 2024.[8] She had been provisionally suspended from May 2024 until the conclusion of the investigation.[9][10] The International Tennis Integrity Agency (ITIA) accepted that the source of the TMZ was a contaminated supplement for which she bore "no significant fault or negligence" for having ingested.[11]

2025: WTA 125 final & WTA Tour quarterfinal, Top 150

In January, Bartůňková played first matches after end of her hiatus in Oslo, reaching semifinal at W15 event where she lost to Anouck Vrancken Peeters.[12] At her second event at W35 in Sunderland, Bartůňková claimed her fourth career title. Bartůňková reached another final just week after at W35 event in Glasgow.[13] In July, Bartůňková qualified for the 2025 Ladies Open Hechingen and beat two former top-100 players, María Lourdes Carlé and Julia Grabher, en route to her first W75 title. In September, Bartůňková was awarded a wildcard into Guadalajara 125 Open, where she lost to eventual finalist Panna Udvardy in the second round.[14] The following week, she received another wildcard entry in Guadalajara, this time at the WTA 500 event Guadalajara Open Akron, and scored her second career WTA main-draw win over Nicole Fossa Huergo. She defeated fellow Czech player Darja Viďmanová in straight sets to reach her maiden WTA Tour quarterfinal,[15] where she overcame defending champion Magdalena Fręch.[16] Her run was ended in the semifinals by eventual champion Iva Jovic in three sets.[17][18] As result she moved up 80 places in the rankings to enter the top-200 for the first time at world No. 144 on 15 September 2025.[19]

In October, Bartůňková reached her first WTA 125k final at Samsun Open but lost to 2nd seed Kaja Juvan.[20] Bartůňková received a wildcard to the WTA 500 in 2025 Toray Pan Pacific Open in Tokyo but lost to local wildcard Wakana Sonobe.[21] The following week she lost in the opening round in Chennai after losing to eventual finalist Kimberly Birrell in three sets.[22]

In November, Bartůňková received her first nomination for the national team in Billie Jean King Cup and helped her team to win Group D. Czech teenager beat Yuliana Lizarazo from Colombia, but lost to Petra Marčinko from Croatia.

2026: Grand Slam debut & first top 10 win

In January, Bartůňková entered her first Grand Slam qualification at the 2026 Australian Open as the 16th seed. She then scored three wins to make her main draw debut, where she defeated former top-10 player Daria Kasatkina for her first Grand Slam win.[23] Bartůňková reached the third round with an upset over Belinda Bencic, marking her first top-10 win.[24] Her run was ended in the third round by 21st seed Elise Mertens in straight sets.[25]

Performance timelines

Key
W  F  SF QF #R RR Q# DNQ A NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.

Only main-draw results in WTA Tour, Grand Slam tournaments, Billie Jean King Cup and Olympic Games are included in win–loss records.[26]

Singles

Current after the 2025 Chennai Open.

Tournament 2022 2023 2024 2025 2026 SR W–L Win %
Grand Slam tournaments
Australian Open A A 3R 0 / 1 2–1 67%
French Open A A 0 / 0 0–0  – 
Wimbledon A A 0 / 0 0–0  – 
US Open A A 0 / 0 0–0  – 
Win–loss 0–0 0–0 0–0 0–0 2–1 0 / 1 2–1 67%
Career statistics
Tournaments 1 1 0 3 1 Career total: 6
Overall win-loss 0–1 1–1 0–0 3–3 2–1 0 / 6 6–6 50%

Doubles

Current after the 2023 Prague Open.

Tournament 2022 2023 SR W–L Win %
Grand Slam tournaments
Australian Open A A 0 / 0 0–0  – 
French Open A A 0 / 0 0–0  – 
Wimbledon A A 0 / 0 0–0  – 
US Open A A 0 / 0 0–0  – 
Win–loss 0–0 0–0 0 / 0 0–0  – 
Career statistics
Tournaments 1 1 Career total: 2
Overall win-loss 1–1 1–1 0 / 2 2–2 50%

WTA Challenger finals

Singles: 1 (runner-up)

Result W–L Date Tournament Surface Opponent Score
Loss 0–1 Oct 2025 WTA 125 Samsun, Turkey Hard Slovenia Kaja Juvan 6–7(8–10), 3–6

ITF Circuit finals

Singles: 11 (6 titles, 5 runner-ups)

Legend
W60/75 tournaments (1–1)
W50 tournaments (0–1)
W25/35 tournaments (5–3)
Finals by surface
Hard (1–3)
Clay (3–2)
Result W–L    Date    Tournament Tier Surface Opponent Score
Loss 0–1 Nov 2021 ITF Milovice, Czech Republic W25 Hard (i) Czech Republic Linda Nosková 3–6, 4–6
Loss 0–2 May 2022 ITF Istanbul, Turkey W60 Clay Diana Shnaider 5–7, 5–7
Win 1–2 Apr 2023 ITF Santa Margherita de Pula, Italy W25 Clay Switzerland Ylena In-Albon 6–0, 7–5
Win 2–2 Aug 2023 ITF Erwitte, Germany W25 Clay Latvia Daniela Vismane 6–4, 6–1
Win 3–2 Oct 2023 ITF Santa Margherita di Pula, Italy W25 Clay Germany Katharina Hobgarski 6–0, 1–0 ret.
Loss 3–3 Jan 2024 ITF Sunderland, United Kingdom W35 Hard (i) Switzerland Valentina Ryser 3–6, 6–7(6)
Win 4–3 Jan 2025 ITF Sunderland, United Kingdom W35 Hard (i) United Kingdom Amelia Rajecki 6–4, 3–6, 6–3
Loss 4–4 Jan 2025 ITF Glasgow, United Kingdom W35 Hard (i) Switzerland Valentina Ryser 5–7, 6–7(6)
Win 5–4 Jun 2025 ITF Stuttgart-Vaihingen, Germany W35 Clay Germany Emily Seibold 6–4, 7–6(2)
Loss 5–5 Jul 2025 ITF Aschaffenburg, Germany W50 Clay Italy Nuria Brancaccio 6–4, 4–6, 4–6
Win 6–5 Jul 2025 ITF Hechingen, Germany W75 Clay Austria Julia Grabher 7–5, 6–2


Junior Circuit finals

Grand Slam tournaments

Singles: 1 (runner-up)

Result Year Tournament Surface Opponent Score
Loss 2023 Wimbledon Grass United States Clervie Ngounoue 2–6, 2–6

Doubles: 1 (runner-up)

Result Year Tournament Surface Partner Opponents Score
Loss 2022 French Open Clay Switzerland Céline Naef Czech Republic Sára Bejlek
Czech Republic Lucie Havlíčková 		3–6, 3–6

ITF Junior Circuit

Singles: 13 (6 titles, 6 runner-ups, 1 not played)

Legend
J500 (1–1)
J300 (1–1)
J200 (1–1)
J100 (0–1)
J60 (3–1)
J30 (1–0)
Result W–L    Date    Tournament Tier Surface Opponent Score
Win 1–0 Jul 2019 ITF Prague, Czech Republic Grade 4[a] Clay Slovakia Radka Zelníčková 6–3, 6–3
Win 2–0 Oct 2019 ITF Budapest, Hungary Grade 4 Clay Hungary Luca Janosi 6–3, 6–4
Loss 2–1 Jan 2020 ITF Bromma, Sweden Grade 3[b] Hard Poland Weronika Baszak 4–6, 3–6
Loss 2–2 Feb 2020 ITF Kärnten, Austria Grade 3 Carpet Germany Laura Isabel Putz 2–6, 6–4, 3–6
Loss 2–3 May 2021 ITF Říčany, Czech Republic Grade 1[c] Clay Germany Julia Middendorf 3–6, 6–4, 6–7(4–7)
Loss 2–4 Jul 2021 ITF Milan, Italy Grade A[d] Clay Philippines Alexandra Eala 3–6, 3–6
Win 3–4 Sep 2021 ITF Rakovník, Czech Republic Grade 2[e] Clay Czech Republic Tereza Valentová 2–6, 6–1, 6–0
not played – Mar 2022 ITF Benicarló, Spain Grade 2 Clay Bulgaria Yoana Konstantinova –
Win 4–5 Mar 2022 ITF Villena, Spain Grade 1 Clay Belgium Hanne Vandewinkel 7–5, 6–1
Win 5–5 Jan 2023 ITF Bratislava, Slovakia J200 Hard Czech Republic Kristýna Tomajková 6–1, 6–1
Win 6–5 Feb 2023 ITF Oberhaching, Germany J200 Hard Russia Vlada Mincheva 6–0, 6–3
Loss 6–6 Jul 2023 Wimbledon, United Kingdom Grade A Grass United States Clervie Ngounoue 2–6, 2–6

Doubles: 7 (5 titles, 2 runner-ups)

Legend
J500 (0–1)
J300 (1–1)
J200 (4–0)
J100 (0–0)
J60 (0–0)
J30 (0–0)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Win 1–0 Sep 2020 ITF Rakovník, Czech Republic Grade 2 Clay Czech Republic Nelly Kněžková Poland Rozalia Gruszczynska
Poland Pola Wygonowska 		6–1, 6–2
Win 2–0 May 2021 ITF Říčany, Czech Republic Grade 1 Clay Czech Republic Sára Bejlek United States Alexis Blokhina
France Flavie Brugnone 		6–3, 6–4
Win 3–0 May 2021 ITF Hannover, Germany Grade 2 Clay Switzerland Céline Naef Germany Tea Lukic
Germany Laura Isabel Putz 		6–3, 6–3
Win 4–0 Sep 2021 ITF Rakovník, Czech Republic Grade 2 Clay Russia Elena Pridankina Italy Virginia Ferrara
Italy Giorgia Pedone 		6–3, 6–3
Win 5–0 Mar 2022 ITF Benicarló, Spain Grade 2 Clay Ukraine Daria Yesypchuk Germany Joëlle Steur
Germany Marie Vogt 		7–5, 6–4
Loss 5–1 Jun 2022 French Open, France Grade A Clay Switzerland Céline Naef Czech Republic Sára Bejlek
Czech Republic Lucie Havlíčková 		3–6, 3–6
Loss 5–2 Aug 2022 ITF Prague, Czech Republic Grade 1 Clay Switzerland Karolina Kozakova Czech Republic Amélie Šmejkalová
Czech Republic Tereza Valentová 		4–6, 1–6

Wins against top 10 players

  • Bartůňková has a 1–0 record against players who were, at the time the match was played, ranked in the top 10.[27]
No. Player Rk Event Surface Rd Score Rk Years Ref
1 Switzerland Belinda Bencic 10 Australian Open, Australia Hard 2R 6–3, 0–6, 6–4 126 2026
  • Key: (Rk) first use, opponent rank; (Rd) round; (Rk) 2nd use, player rank; (Ref) reference; (F) final; (SF) semifinal; (QF) quarterfinal; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage

Notes

  1. ^ The Grade 4 tournaments were reclassified as J60 in 2023.
  2. ^ The Grade 3 tournaments were reclassified as J100 in 2023.
  3. ^ The Grade 1 tournaments were reclassified as J300 in 2023.
  4. ^ The Grade A tournaments were reclassified as J500 in 2023.
  5. ^ The Grade 2 tournaments were reclassified as J200 in 2023.

References

  1. ^ Vávra, Aleš (18 June 2020). "Plachá, výjimečná "anomálie". Česko má budoucí hvězdu, ve stínu byla neprávem". aktualne.cz (in Czech). Retrieved 26 December 2021.
  2. ^ Vávra, Aleš (17 April 2021). "Další zázrak z Česka. Patnáctiletá Bartůňková senzačně uspěla v Istanbulu". aktualne.cz (in Czech). Retrieved 26 December 2021.
  3. ^ "Welcome to the tour: All of 2022's WTA debutantes". WTA Tennis. 6 October 2022. Retrieved 24 October 2022.
  4. ^ "Bartunkova, 17, upsets Yastremska for first tour-level win". Women's Tennis Association. Retrieved 22 December 2024.
  5. ^ "Yastremska upended by Bartunkova in Transylvania". Tennis Majors. 16 October 2023. Retrieved 22 December 2024.
  6. ^ "Bogdan's top plays from marathon win over 17-year-old Bartunkova". Women's Tennis Association. Retrieved 22 December 2024.
  7. ^ "Transylvania Open: Bogdan through to last eight". Tennis Majors. 19 October 2023. Retrieved 22 December 2024.
  8. ^ "Ex-Wimbledon juniors finalist free to play after doping ban". BBC Sport. 14 November 2024. Retrieved 14 November 2024.
  9. ^ "Czech tennis player provisionally suspended". The International Tennis Integrity Agency. 9 May 2024. Retrieved 9 May 2024.
  10. ^ Kapoor, Akshay (9 May 2024). "After Simona Halep, 18-YO Pro Feels Cheated by Doping Authorities' Rigid Rules – 'I Am Shocked'". essentiallysports.com. Retrieved 10 May 2024.
  11. ^ "Czech teenager Bartunkova to resume career after accepting six-month doping ban". Reuters. 14 November 2024. Retrieved 14 November 2024.
  12. ^ "W15 Oslo 2025 Tennis Tournament | ITF". www.itftennis.com. Retrieved 2 February 2026.
  13. ^ "W35 Sunderland 2025 Tennis Tournament | ITF". www.itftennis.com. Retrieved 2 February 2026.
  14. ^ "WTA Roundup : Three champions emerge on 125 circuit". 9 September 2025. Retrieved 22 January 2026.
  15. ^ "Bartunkova shows off all-court skills to reach Guadalajara quarters". 10 September 2025. Retrieved 22 January 2026.
  16. ^ "Bartunkova knocks out defending champ Frech in Guadalajara quarters". 12 September 2025. Retrieved 22 January 2026.
  17. ^ "Bartunkova stuns Frech to reach maiden WTA semifinal; Jovic and Jacquemot shine". Women's Tennis Association. 13 September 2025. Retrieved 13 September 2025.
  18. ^ "Guadalajara | Young talent leads the way in Mexico". 13 September 2025.
  19. ^ "Bartůňková Rankings History". Retrieved 22 January 2026.
  20. ^ "Golubic, Juvan, Bejlek claim WTA 125 titles in China, Türkiye and Italy". Women's Tennis Association. 6 October 2025. Retrieved 6 October 2025.
  21. ^ "Sonobe defeats Bartunkova in Tokyo battle of teenage wild cards". Women's Tennis Association. 21 October 2025.
  22. ^ "Birrell turns the tables on Bartunkova in seesaw Chennai first round". Women's Tennis Association. 29 October 2025.
  23. ^ "AO 2026's Grand Slam debuts: Sawangkaew, Bartunkova, Oliynykova and more". WTATennis. 18 January 2026.
  24. ^ "Bartunkova, 19, shows off 'Federer, Alcaraz style' to upset Bencic at AO". WTATennis. 22 January 2026.
  25. ^ "Clinical Mertens crushes Bartunkova to seal historic 16th major second week". Tennis Majors. Retrieved 30 January 2026.
  26. ^ "Nikola Bartunkova [CZE] | Australian Open". ausopen.com.
  27. ^ "Nikola Bartůňková vs Top 10". Tennis Abstract. Retrieved 22 January 2026.
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