Miriam Bianca Bulgaru (born 8 October 1998) is a Romanian tennis player. She achieved in 2025 a career-high singles ranking of world No. 168.
Career overview Bulgaru made her WTA Tour debut at the 2018 Bucharest Open, after having received a wildcard into the singles draw. She lost her first-round match to Wang Yafan.
She had her first tour match win as a wildcard at the 2023 Transylvania Open in Cluj Napoca, defeating Turkish lucky loser İpek Öz.
At the 2024 Iași Open, she recorded another match win in straight sets over second seed Tatjana Maria as a wildcard.
She won the 2024 Țiriac Foundation Trophy defeating Kathinka von Deichmann in the final. It was her first title at the WTA 125-level.
Bulgaru made her debut for the Romania Billie Jean King Cup team against Canada in the 2025 qualifying round held in Tokyo, losing to Victoria Mboko in the opening singles match.
Grand Slam performance timelines
Singles Current through the 2026 French Open. Tournament2023202420252026W–L Australian OpenAQ1Q2Q10–0 French OpenQ2Q2Q3Q10–0 WimbledonAQ1Q10–0 US OpenQ1Q1A0–0Win–loss0–00–00–00–00–0
WTA 125 finals Singles: 1 (title) ResultDateTournamentSurfaceOpponentScoreWin Sep 2024Open Romania Ladies, Romania Clay Kathinka von Deichmann 6–3, 1–6, 6–4
ITF Circuit finals Singles: 18 (7 titles, 11 runner-ups) LegendW60/75 tournamentsW50 tournamentsW25/35 tournamentsW10/15 tournaments ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 May 2016ITF Galați, Romania10k Clay Alexandra Perper 2–6, 6–1, 6–7(5)Win 1–1 May 2016ITF Galați, Romania10k Clay Oana Georgeta Simion 6–3, 6–1Loss 1–2 Jul 2017ITF Târgu Jiu, Romania15k Clay Gaia Sanesi 1–6, 2–6Win 2–2 Sep 2017ITF Varna, Bulgaria15k Clay Cristina Adamescu 6–0, 7–6(5)Loss 2–3 Nov 2017ITF Vinaròs, Spain15k Clay Irene Burillo 2–6, 5–7Win 3–3 Jul 2018ITF Curtea de Argeș, Romania15k Clay Andreea Mitu 6–4, 7–5Loss 3–4 Feb 2019ITF Monastir, TunisiaW15 Hard Lara Michel 2–6, 3–6Loss 3–5 Sep 2019ITF Vienna, AustriaW25 Clay Tena Lukas 7–5, 4–6, 3–6Win 4–5 Feb 2021ITF Antalya, TurkeyW15 Clay Park So-hyun 6–2, 6–3Win 5–5 Sep 2022ITF Otočec, SloveniaW25 Clay Paula Ormaechea 7–5, 6–4Loss 5–6 Oct 2022ITF Otočec, SloveniaW25 Clay Iryna Shymanovich 3–6, 6–3, 3–6Loss 5–7 Nov 2022ITF Heraklion, GreeceW25 Clay Lina Gjorcheska 3–6, 4–6Loss 5–8 Apr 2023ITF Santa Margherita di Pula, ItalyW25 Clay Andreea Prisăcariu 6–3, 2–6, 2–6Loss 5–9 May 2023ITF Annenheim, AustriaW25 Clay Jesika Malečková 2–6, 0–6Loss 5–10 Sep 2023Vienna Ladies Open, AustriaW60 Clay Tena Lukas 5–7, 1–6Win 6–10 Aug 2025ITF Kuršumlijska Banja, SerbiaW35 Clay Lina Gjorcheska 5–7, 6–1, 6–0Win 7–10 Aug 2025ITF Bistrița, RomaniaW50 Clay Matilde Jorge 6–0, 6–3Loss 7–11 Sep 2025Ladies Open Vienna, AustriaW75 Clay Sinja Kraus 6–3, 2–6, 3–6
Doubles: 8 (3 titles, 5 runner-ups) LegendW25 tournamentsW15 tournaments ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Feb 2017ITF Sharm El Sheikh, Egypt15k Hard Elena Bogdan Britt Geukens Magali Kempen 3–6, 6–2, [7–10]Loss 0–2 Jun 2017ITF Bucharest, Romania15k Clay Elena Bogdan Cristina Ene Alexandra Perper 6–4, 3–6, [4–10]Win 1–2 Nov 2018ITF Sant Cugat, Spain25k Clay Nicoleta Dascălu Andreea Roșca Renata Zarazúa 6–1, 4–6, [10–7]Win 2–2 Feb 2019ITF Monastir, TunisiaW15 Hard Cristina Ene Andrea Lázaro García Despina Papamichail 6–3, 7–6(5)Loss 2–3 Feb 2020ITF Mâcon, FranceW25 Hard (i) Estelle Cascino Audrey Albié Marine Partaud 6–3, 6–7(3), [10–12]Loss 2–4 Sep 2020ITF Marbella, SpainW25 Clay Victoria Muntean Alina Charaeva Oksana Selekhmeteva 3–6, 2–6Loss 2–5 Mar 2021ITF Pune, IndiaW25 Hard Riya Bhatia Rutuja Bhosale Emily Webley-Smith 2–6, 5–7Win 3–5 Jun 2022ITF Klosters, Switzerland W25 Clay Brenda Fruhvirtová Tayisiya Morderger Yana Morderger 6–0, 6–1
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