Tatiana Pieri (born 29 March 1999) is an Italian tennis player. Pieri has a career-high singles ranking of No. 322 by the WTA, achieved on 22 July 2024. She also has a career-high WTA doubles ranking of No. 362, reached on 23 September 2019.
Career She is a member of Circolo Tennis Lucca where she is coached by her father Ivano Pieri. As a junior player, she was a winner at the national level, winning the Coppa Lambertenghi and the Italian under-14 title.
She defeated Frenchwoman Harmony Tan to reach the final round of qualifying at the 2025 Grand Prix SAR La Princesse Lalla Meryem in Rabat, where she faced compatriot Nicole Fossa Huergo, winning in straight sets. On her WTA main-draw debut, she then defeated Carlota Martinez Cirez of Spain in straight sets. Pieri lost to Ajla Tomljanovic in the second round.
Personal life She is from Bagni di Lucca. Her older sister Jessica Pieri is also a professional tennis player.
ITF Circuit finals Singles: 7 (3 titles, 4 runner-ups) LegendW35 tournamentsW10/15 tournaments
ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 Mar 2014ITF Santa Margherita di Pula, ItalyW10 Clay Karin Kennel 2–6, 1–6Loss 0–2 Aug 2016ITF Aprilia, ItalyW10 Clay Maria Marfutina 4–6, 0–6Loss 0–3 Nov 2019ITF Solarino, ItalyW15 Carpet Bojana Klincov 6–3, 4–6, 3–6Win 1–3 Jun 2021ITF L'Aquila, ItalyW15 Clay Anne Schäfer 2–6, 6–3, 7–5Loss 1–4 Aug 2022ITF Pescara, ItalyW15 Clay Anastasia Grymalska 3–6, 6–3, 3–6Win 2–4 May 2024ITF Villach, AustriaW35 Clay Valeriya Strakhova 6–4, 7–5Win 3–4 Aug 2025ITF Bydgoszcz, PolandW35 Clay Kajsa Rinaldo Persson 6–2, 6–3
Doubles: 9 (5 titles, 4 runner-ups) LegendW25/35 tournamentsW10/15 tournaments
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Jun 2016ITF Sassuolo, ItalyW10 Clay Lucrezia Stefanini Alice Balducci Deborah Chiesa 4–6, 2–6Win 1–1 Sep 2016ITF Santa Margherita di Pula, ItalyW10 Clay Lucrezia Stefanini Alice Balducci Marcella Cucca 6–4, 6–0Win 2–1 Oct 2016ITF Santa Margherita di PulaW10 Clay Federica Bilardo Ylena In-Albon Giorgia Marchetti 6–4, 7–5Win 3–1 May 2017ITF Bergamo, ItalyW15 Clay Lucrezia Stefanini Martina Colmegna Ylena In-Albon 3–6, 6–3, [10–6]Loss 3–2 Sep 2018ITF Santa Margherita di PulaW25 Clay Deborah Chiesa Federica di Sarra Anastasia Grymalska 6–7(3), 2–6Win 4–2 Sep 2018ITF Aschaffenburg, GermanyW25 Clay Ivana Popovic Irene Burillo Despina Papamichail 7–6(5), 6–4Win 5–2 Feb 2020ITF Heraklion, GreeceW15 Clay Dalila Spiteri Nuria Brancaccio Olga Helmi 7–6(3), 6–1Loss 5–3 Mar 2022ITF Amiens, FranceW15+H Clay Federica Rossi Océane Babel Lucie Nguyen Tan 3–6, 4–6Loss 5–4 Apr 2025ITF Santa Margherita di PulaW35 Clay Jessica Pieri Hikaru Sato Ikumi Yamazaki 5–7, 6–2, [4–10]
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