Teodora Kostović

Teodora Kostović
Country (sports) Serbia
ResidenceNovi Sad, Serbia[1]
Born (2007-06-28) 28 June 2007
Novi Sad, Serbia
PlaysRight-handed (double-handed backhand)
CoachBoris Čonkić
Prize moneyUS$54,459
Singles
Career record27–11
Career titles0
Highest rankingNo. 389 (9 June 2025)
Current rankingNo. 389 (9 June 2025)
Doubles
Career record3–3
Career titles0
Highest ranking1260 (19 May 2025)
Current ranking1261 (9 June 2025)
Team competitions
Fed Cup1–2 (singles 1–1)
Last updated on: 9 June 2025.

Teodora Kostović (Serbian Cyrillic: Теодора Костовић; born 28 June 2007)[1] is a Serbian professional tennis player. On 9 June 2025, she reached her best singles ranking of world No. 389 on the WTA.

Early life and background

Kostović comes from a sports-focused family and has a brother named Miloš.[2] She began playing tennis at age five and reportedly expressed an early ambition to become the world No. 1 ranked player.[2]

Career

Junior events

Competing on the ITF Junior Circuit, Kostović achieved a career-high ranking of world No. 6.[2]

She won J300 singles titles on clay courts in Plovdiv and Vrsar in 2023.[3]

In 2024, she claimed five J300 titles across all three major surfaces. Her victories included wins on grass in Roehampton, on hard courts in College Park, and on clay in Bradenton, Oberpullendorf, and Bytom.[4][3] That same year, she was also a finalist at the J500 event on clay in Offenbach, and the J300 event on hard courts in Indian Wells.[2]

In September 2024, she won the U18 European Junior Championships, defeating Alena Kovačková in the final.[5]

Grand Slam performance

Singles:

Doubles:

2024: Senior debut

Aged 16, Kostović made her professional debut on the ITF Women's World Tennis Tour in Kuršumlijska Banja, Serbia. In May 2024, she reached the singles semifinals of a W15 event there, losing in three sets to compatriot Anja Stanković.[6] Later in 2024, she played four additional tournaments in the same town at the W15 and W75 levels, not advancing past the quarterfinals in any of them.[7]

2025: WTA 1000 debut

Kostović made her WTA Tour singles debut in February 2025 at the WTA 500 Abu Dhabi Open, entering the qualifying draw via a wildcard earned through a junior tournament result. In the first qualifying round, she won the first set 6–2 against Diane Parry before the French player retired from the match. In the final qualifying round, Kostović initially led 4–1 against McCartney Kessler but ultimately lost 4–6, 2–6.[8]

The following month, in March 2025, she received a wildcard into the qualifying rounds of the WTA 1000 Miami Open. Ranked No. 756 at the time, Kostović defeated world No. 99 and 17th qualifying seed Olivia Gadecki in the first round. She lost to Greet Minnen in the final qualifying round.[9]

In April 2025, Kostović received a wildcard for the qualifying rounds and subsequently qualified for the main draw of the WTA 1000 in Madrid. She achieved this by defeating top-100 player Elena-Gabriela Ruse in the first qualifying round and then Lucrezia Stefanini in the final qualifying round.[10] Entering the main draw of Madrid, Kostović, ranked No. 625, was the lowest-ranked participant aside from those using a protected ranking. She was also the youngest player in the main draw. In the first round, she lost to Eva Lys in straight sets.[11]

Billie Jean King Cup

Kostović received her first nomination to represent Serbia in the Billie Jean King Cup in April 2025, under the captaincy of Dušan Vemić, for the Europe/Africa Zone Group I event against Slovenia and Lithuania, and later in the promotional play-off tie against Croatia.[12] She made her debut for the national team on 10 April 2025, recording a victory over Klaudija Bubelytė of Lithuania.[13]

Performance timelines

Key
W  F  SF QF #R RR Q# P# DNQ A Z# PO G S B NMS NTI P NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.

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.

Singles

Current through the 2025 Miami Open.

Tournament 2025 SR W–L Win%
WTA 1000 tournaments
Miami Open Q2 0 / 0 0–0  – 
Madrid Open 1R 0 / 1 0–1 0%
Win–loss 0–1 0 / 1 0–1 0%

ITF Circuit finals

Singles: 1 (runner-up)

Legend
W75 tournaments (0–1)
Finals by surface
Clay (0–1)
Finals by setting
Outdoor (0–1)
Result W–L    Date    Tournament Tier Surface Opponent Score
Loss 0–1 May 2025 ITF Kuršumlijska Banja, Serbia W75 Clay Alina Charaeva 4–6, 6–7(5)

References

  1. ^ a b "Srpska teniserka Teodora Kostović pobedila na Evropskom prvenstvu za juniore" [Serbian tennis player Teodora Kostović won the European Junior Championship] (in Serbian). NIN. 23 July 2023. Retrieved October 26, 2024.
  2. ^ a b c d "Serbia's Kostovic making gains thanks to improved mental outlook". International Tennis Federation (ITF). September 4, 2024. Retrieved October 26, 2024.
  3. ^ a b "Teodora Kostovic Juniors Singles Titles". International Tennis Federation (ITF). Retrieved October 26, 2024.
  4. ^ "Ispovest srpske nade pred US Open za Nova.rs: O Novaku kao idolu, velikim promenama i ocu koji joj je dao savet vredan 100.000 evra" [Confession of the Serbian hope before the US Open for Nova.rs: About Novak as an idol, big changes and the father who gave her advice worth 100,000 euros] (in Serbian). Nova.rs. 4 September 2024. Retrieved October 26, 2024.
  5. ^ Krga, Iva (22 September 2024). "Srbija ima tenisku šampionku Evrope! /VIDEO/" [Serbia has a European tennis champion! /VIDEO/]. Sportal (in Serbian). Retrieved October 26, 2024.
  6. ^ "W15 Kursumlijska Banja 2024 Draws and Results". International Tennis Federation (ITF). May 2024. Retrieved October 26, 2024.
  7. ^ "Teodora Kostovic Player Activity". International Tennis Federation (ITF). Retrieved October 26, 2024.
  8. ^ "WTA debi: Pobeda i poraz Teodore Kostović" [WTA debut: Win and loss for Teodora Kostović] (in Serbian). Sport Klub SR. 6 February 2024. Retrieved October 26, 2024.
  9. ^ "Bolja od 99. na svetu: Kostović u finalu kvalifikacija u Majamiju" [Better than the world No. 99: Kostović in the qualifying final in Miami] (in Serbian). Sport Klub SR. 18 March 2024. Retrieved October 26, 2024.
  10. ^ "Glavni žreb Madrida za mladu srpsku teniserku" [Main draw of Madrid for the young Serbian tennis player] (in Serbian). Sport Klub SR. 22 April 2025. Retrieved 22 April 2025.
  11. ^ "Teodora Kostović – Eva Lys Madrid WTA 100: Poraz i povreda butine" [Teodora Kostović – Eva Lys Madrid WTA 100: Defeat and thigh injury] (in Serbian). Sport Klub SR. 23 April 2025. Retrieved 23 April 2025.
  12. ^ "Vemić odredio tim za Litvaniju" [Vemić selected the team for Lithuania] (in Serbian). Teniski savez Srbije. 1 April 2024. Retrieved October 26, 2024.
  13. ^ "Srbija vodi protiv domaćina" [Serbia leads against the host] (in Serbian). Teniski savez Srbije. 10 April 2024. Retrieved October 26, 2024.
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