Mili Poljičak (born 13 July 2004) is a Croatian professional tennis player. He has a career-high ATP singles ranking of world No. 257 achieved on 30 June 2025 and a doubles ranking of No. 150 achieved on 5 October 2026.
Career Poljičak made his ATP main draw debut at the 2021 Croatia Open Umag after receiving a wildcard into the doubles main draw. Partnering with Admir Kalender, the pair defeated second seeds Pablo Cuevas and Fabrice Martin in the first round in straight sets but lost in the next round to eventual champions Fernando Romboli and David Vega Hernández in three sets.
At the 2022 Zagreb Open he reached his maiden Challenger final as a wildcard where he lost to Filip Misolic. At the same tournament also as a wildcard he reached the semifinals in doubles partnering Antonio Šančić. As a result, he reached the top 550 at World No. 549 (up 923 positions) in the singles rankings and the top 375 in doubles (up 88 positions) on 16 May 2022.
At 18 years of age, having won the boys' singles the previous year, he received a wildcard for the qualifying draw of the 2023 Wimbledon Championships to make his Grand Slam qualifying debut.
He reached a new career high ranking of No. 409 on 26 August 2024, following back-to-back ITF titles in Maribor on clay.
ATP Challenger Tour finals
Singles: 4 (1 title, 3 runner-ups) LegendATP Challenger Tour (1–3)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1Zagreb, CroatiaChallengerClay Filip Misolic3–6, 6–7(6–8)Loss0–2Târgu Mureș, RomaniaChallengerClay Marco Trungelliti1–6, 0–0 ret.Win1–2Split, CroatiaChallengerClay Tom Gentzsch6–4, 6–4Loss1–3City of San Marino, San MarinoChallengerClay Facundo Díaz Acosta1–6, 4–6
Doubles: 8 (7 titles, 1 runner-up) LegendATP Challenger Tour (7–1)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Oeiras, PortugalChallengerHard (i) Matej Sabanov Íñigo Cervantes Mick Veldheer6–0, 6–1Loss1–1Zagreb, CroatiaChallengerClay Luka Mikrut Matej Dodig Nino Serdarušić4–6, 4–6Win2–1 Târgu Mureș, RomaniaChallengerClay Neil Oberleitner Alexandru Cristian Dumitru Dan Alexandru Tomescu6–0, 6–3Win3–1Split, CroatiaChallengerClay Miloš Karol Mirza Bašić Andrej Nedić6–2, 6–2Win4–1Shymkent, KazakhstanChallengerClay Admir Kalender Viktor Durasovic Kai Wehnelt6–2, 6–7(7–9), [10–5] Win5–1City of San Marino, San MarinoChallengerClay Stefan Latinović Arthur Reymond Luca Sanchez7–6(7–5), 6–3Win6–1Genoa, ItalyChallengerClay Stefan Latinović Admir Kalender Nino Serdarušić7–6(7–1), 6–7(3–7), [10–6]Win7–1Porto, PortugalChallengerHard Stefan Latinović Alexander Donski Filip Pieczonka6–3, 6–4
ITF World Tennis Tour finals
Singles: 10 (6 titles, 4 runner-ups) LegendITF WTT (6–4)Finals by surfaceHard (2–1)Clay (4–3)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0M15 Monastir, TunisiaWTTHard Robin Bertrand6–1, 2–6, 6–4Loss1–1M15 Osijek, Croatia WTTClay Viacheslav Bielinskyi2–6, 0–6Loss1–2M15 Doboj, Bosnia and HerzegovinaWTTClay Lilian Marmousez6–7(2–7), 4–6Win2–2M15 Monastir, TunisiaWTTHard Patrick Schön7–5, 6–1Loss2–3M15 Monastir, TunisiaWTTHard Ilia Simakin7–6(7–4), 1–6, 3–6Win3–3M15 Umag, CroatiaWTTClay Nikola Bašić7–5, 7–6(7–3)Win4–3M25 Maribor, SloveniaWTTClay Filip Jeff Planinšek6–4, 6–2Win5–3M25 Maribor, SloveniaWTTClay Oleksandr Ovcharenko7–5, 7–6(8–6)Loss5–4M25 Zlatibor, SerbiaWTTClay Mathys Erhard6–7(4–7), 1–6Win6–4M15 Poreč, CroatiaWTTClay Tommaso Compagnucci6–3, 6–4
Doubles: 18 (14 titles, 4 runner-ups) LegendITF WTT (14–4)Finals by surfaceHard (5–0)Clay (9–4)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin0–1M15 Šibenik, CroatiaWTTClay Borna Devald Zvonimir Babić David Pichler3–6, 4–6Win1–1M25 Split, CroatiaWTTClay Luka Mikrut Théo Arribagé Luca Sanchez2–6, 6–4, [10–8]Loss1–1M25 Ulcinj, MontenegroWTTClay Stefan Popović Cezar Crețu Daniel Cukierman4–6, 1–6Loss1–2M25 Osijek, CroatiaWTTClay Luka Mikrut Dev Javia Lukáš Pokorný6–7(3–7), 6–3, [8–10]Loss1–3M25 Maribor, SloveniaWTTClay Antonio Šančić Domagoj Bilješko Kirill Kivattsev3–6, 7–6(7–0), [9–11]Win2–3M25 Sunderland, United KingdomWTTHard (i) Arthur Fery Giles Hussey Johannus Monday6–3, 6–4Win3–3M25 Klosters, SwitzerlandWTTClay Damien Wenger Patrick Zahraj Leopold Zima6–2, 6–4Win4–3M25 Maribor, SloveniaWTTClay Luka Mikrut Nikola Bašić Jan Kupčič6–7(5–7), 6–1, [10–6]Win5–3M15 Monastir, TunisiaWTTHard Constantin Bittoun Kouzmine Nicola Kuhn David Pérez Sanz6–1, 0–6, [10–8]Win6–3M15 Oberhaching, GermanyWTTHard (i) Daniel Masur Giovanni Oradini Matěj Vocel5–7, 6–3, [10–8]Loss6–4M15 Poreč, CroatiaWTTClay Nikola Bašić Alen Bill Luka Mikrut1–6, 5–7Win7–4M15 Rovinj, CroatiaWTTClay Luka Mikrut Leonardo Rossi Luigi Sorrentino6–7(5–7), 7–5, [10–7]Win8–4M15 Opatija, CroatiaWTTClay Luka Mikrut Tommaso Compagnucci Luigi Sorrentino6–4, 6–2Win9–4M15 Doboj, Bosnia and HerzegovinaWTTClay Marino Jakić Koki Matsuda Yamato Sueoka6–3, 6–4Win10–4M15 Bol, CroatiaWTTClay Josip Šimundža Nikos Lehmann Nicolás Parizzia6–1, 6–2Win11–4M25 Vila Real de Santo António, PortugalWTTHard Stefan Latinović Ivan Gakhov Sergey Fomin6–4, 4–6, [10–6]Win12–4M15 Poreč, CroatiaWTTClay Emanuel Ivanišević Karlo Kajin Deni Žmak6–3, 3–6, [10–5]Win13–4M15 Sharm El Sheikh, EgyptWTTHard Billy Suarez Aleksandr Braynin Georgii Kravchenko 7–6(8–6), 6–4Win14–4M25 Bol, CroatiaWTTClay Admir Kalender Dimitris Sakellaridis Michalis Sakellaridis6–4, 6–3
Junior Grand Slam finals Singles: 1 (1 title) ResultYearTournamentSurfaceOpponentScoreWin2022WimbledonGrass Michael Zheng7–6(7–2), 7–6(7–3)
Doubles: 1 (1 title) ResultYearTournamentSurfacePartnerOpponentsScoreWin2022French OpenClay Edas Butvilas Gonzalo Bueno Ignacio Buse6–4, 6–0
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