Filip Cristian Jianu (born 18 September 2001) is a Romanian professional tennis player. He has a career-high ATP singles ranking of No. 210 achieved on 9 June 2025 and a best doubles ranking of No. 451 reached on 10 April 2023. He is currently the No. 1 singles player from Romania.
Jianu represents Romania at the Davis Cup.
Juniors Jianu had good results as a junior player. He reached an ITF junior combined ranking of world No. 5 on 4 February 2019.Filip Cristian Jianu Junior Results | ITF (itftennis.com)
Professional career In November 2024, Jianu reached his second singles final for the season at the 2024 Brazzaville Challenger, where he lost to Gonzalo Oliveira.
In March 2025, Jianu received a wildcard for his home tournament, the 2025 Țiriac Open, and recorded his first ATP Tour win (outside of the Davis Cup) over Nishesh Basavareddy in straight sets. He lost to Damir Džumhur in three sets.
ATP Challenger Tour finals
Singles: 3 (3 runner-ups) LegendATP Challenger Tour (0–3)
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss0–1Oeiras Indoors, PortugalChallengerHard (i) Joris De Loore3–6, 2–6Loss0–2Aspria Tennis Cup, ItalyChallengerClay Federico Agustín Gómez3–6, 4–6Loss0–3Brazzaville Challenger, Republic of the CongoChallengerClay Gonzalo Oliveira4–6, 3–6
ITF World Tennis Tour finals
Singles: 26 (16 titles, 10 runner-ups) LegendITF WTT (16–10)Finals by surfaceHard (2–0)Clay (14–10)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0M15 Tabarka, TunisiaWTTClay Matthieu Perchicot6–2, 6–4Loss1–1M15 Tabarka, TunisiaWTTClay Matthieu Perchicot2–6, 6–3, 0–6Win2–1M25 Pitești, RomaniaWTTClay Marko Tepavac7–6(7–4), 5–0 ret.Loss2–2M15 Tabarka, TunisiaWTTClay Ignacio Monzón1–6, 2–6Win3–2M15 Heraklion, GreeceWTTHard Lucas Catarina7–5, 3–6, 6–3Loss3–3M15 Cairo, EgyptWTTClay Franco Agamenone6–7(0–7), 4–6Loss3–4M15 Antalya, TurkeyWTTClay Agustín Velotti3–6, 4–6Win4–4M15 Heraklion, GreeceWTTHard Filip Bergevi6–2, 6–4Win5–4M15 Antalya, TurkeyWTTClay Rrezart Cungu6–2, 6–4Loss5–5M15 Alaminos-Larnaca, CyprusWTTClay Nicholas David Ionel3–6, 6–7(2–7)Win6–5M15 Alaminos-Larnaca, CyprusWTTClay Sebastian Prechtel5–7, 6–3, 6–2Loss6–6M15 Pirot, SerbiaWTTClay Vlad Dancu5–7, 6–2, 3–6Win7–6M15 Telavi, GeorgiaWTTClay Svyatoslav Gulin6–2, 6–0Win8–6M15 Antalya, TurkeyWTTClay Gabriele Pennaforti6–3, 6–2Win9–6M15 Antalya, TurkeyWTTClay Peter Heller7–6(7–5), 6–4Loss9–7M15 Antalya, TurkeyWTTClay Carlos Gimeno Valero3–6, 4–6Loss9–8M25 Hammamet, TunisiaWTTClay Pol Martín Tiffon3–6, 3–6Win10–8M15 Kish Island, IranWTTClay Branko Djuric7–5, 6–4Win11–8M15 Kish Island, IranWTTClay Gergely Madarász6–2, 6–3Win12–8M15 Antalya, TurkeyWTTClay Joel Schwärzler6–1, 6–2Win13–8M25 Satu Mare, RomaniaWTTClay Frederico Ferreira Silva6–4, 6–3Loss13–9M15 Antalya, TurkeyWTTClay Evgenii Tiurnev1–6, 7–6(7–4), 5–7Win14–9M15 Antalya, TurkeyWTTClay Bekkhan Atlangeriev6–1, 6–1Loss14–10M15 Antalya, TurkeyWTTClay Felix Gill2–6, 6–1, 2–6Win15–10M25 Antalya, TurkeyWTTClay Dusan Obradovic6–1, 6–1Win16–10M15 Antalya, TurkeyWTTClay Akira Santillan6–3, 2–0 ret.
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