Petra Marcinko

Professional Tennis Player

Croatian Zagreb, Croatia

Quick Info

ProfessionProfessional Tennis Player
NationalityCroatian
Date of Birth04/12/2005
Age20 years
BirthplaceZagreb, Croatia

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Bio/Wiki

OverviewCroatian professional tennis player who achieved world No. 1 junior ranking in 2021 and won the Australian Open girls' singles title in 2022. Career-high WTA singles ranking of No. 69 achieved on 2 February 2026.
Career MilestonesFinished 2021 as ITF junior world champion and first Croatian player to achieve this. Won Australian Open girls' title in January 2022. Won WTA 125 title at Rome in 2025 on clay.

Physical Stats & More

Height5'9" (1.76 m)
Weight137 lbs
Playing HandRight-handed
CoachMarino Jakic

Personal Life

Notable CoincidenceBorn on the same day Croatia's men's national team won its first Davis Cup trophy in 2005. Her father had tickets to the final but did not attend due to her birth.

Career

ITF Junior CircuitWon 9 singles and 7 doubles titles. Achieved No. 1 junior ranking on 13 December 2021.
Grand Slam AchievementsAustralian Open girls' singles champion 2022 (defeated Sofia Costoulas in straight sets). Qualified for main draws at Australian Open, Roland Garros, and US Open.
WTA TourCareer-high ranking No. 69 (2 February 2026). WTA 125 titles: 1 (Rome 2025). WTA 125 finals: 1 (Montreux 2024, runner-up to Irina-Camelia Begu). Best Tour-level result: Round 16 at Monastir 2023.
ITF Women's Circuit11 singles titles and 4 doubles titles. Set Croatian record as youngest women's player to win 6 professional singles titles before turning 18 (achieved in 2023).
2025 SeasonWon WTA 125 title at Rome on clay. Closed season with ITF W100 title at Dubai. Climbed to career-high ranking of No. 82 in December 2025.

Style Quotient

Personality TraitsFriendly, hardworking, determined

Some Lesser Known Facts

1. Won both singles and doubles titles at the Orange Bowl in 2021, a feat not achieved by any girl in nearly three decades
2. Joined Mirjana Lučić, Jelena Kostanić, and Ana Konjuh as the fourth Croatian woman to claim a junior Australian Open crown
3. Made Billie Jean King Cup debut for Croatia in 2022
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