Isabella Shinikova () (born 25 October 1991) is a Bulgarian tennis player.
On 20 February 2017, she reached a career-high singles ranking of world No. 133. On 20 May 2019, she peaked at No. 159 in the WTA doubles rankings. She also plays for the Bulgaria Billie Jean King Cup team, with a win–loss record of 20–26 as of April 2025.
Career Junior years Shinikova started playing tennis at the age seven. She played on the ITF Junior Circuit in 2006 and won two singles titles and one doubles title.
2009–15: Professional debut, success on the ITF Circuit In 2009, Shinikova made her pro debut at a $25k event. Since then, she has been playing on the ITF Women's Circuit, and in 2015, she topped the annual leaderboard winning eight titles through the year.
2016–17: WTA Tour, major & top 150 debuts
In April 2016, Shinikova made her main-draw debut at a WTA Tour tournament at the Katowice Open, losing to Alizé Cornet in the first round. Then, she failed to qualify for the main draws of Stuttgart Open, Rosmalen Open and Birmingham Classic. In July 2016, Shinikova qualified for the main draw of the Bucharest Open, losing to Simona Halep, in the second round.
She made her major debut in 2016 in the qualifying draws of the Wimbledon and at the US Open, where seeded 31st, she lost to Laura Robson in the second round. In 2017, she made also her debut in the qualifying draw at the other two Grand Slam events. She reached a career-high ranking of No. 133 on 20 February 2017, following the Australian Open.
2019–22: Progress at Grand Slam tournaments
She reached second round at the 2019 Wimbledon Championships, the third round of qualifying at the 2019 US Open, her best showing at a major thus far, and the second round of qualifying at the 2020 Australian Open.
2023: United Cup debut On 23 November 2022, she was confirmed as a participant on the 2023 United Cup as part of the Bulgarian team. She won her doubles match, partnering Alexander Lazarov, and the tie against Belgium represented by former doubles No. 1, Elise Mertens, and her partner David Goffin.
Grand Slam performance timeline
Singles Tournament2016201720182019202020212022202320242025 Australian OpenAQ1AAQ2Q2AAAA0–0 French OpenAQ1AAQ1Q1Q2AAA0–0 WimbledonQ1Q1AQ2NHQ2Q2AAA0–0 US OpenQ2AAQ3AQ1Q1AAA0–0Win–loss 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0 0–0
ITF Circuit finals Singles: 51 (27 titles, 24 runner-ups) LegendW60/75 tournamentsW40/50 tournamentsW25/35 tournamentsW10/15 tournamentsFinals by surfaceHard (15–9)Clay (12–15) ResultW–LDateTournamentTierSurfaceOpponentScoreLoss 0–1 ITF Dobrich, BulgariaW10 Clay Danka Kovinić 4–6, 3–6Loss 0–2 ITF Antalya, TurkeyW10 Clay Ekaterine Gorgodze 1–6, 3–6Loss 0–3 ITF Antalya, TurkeyW10 Hard Quirine Lemoine 4–6, 2–6Loss 0–4 ITF Madrid, SpainW10 Clay Lisa Sabino 5–7, 3–6Win 1–4 ITF Amiens, FranceW10 Clay (i) Ysaline Bonaventure 6–3, 0–6, 6–3Loss 1–5 ITF La Marsa, TunisiaW25 Clay Elina Svitolina 6–7(4), 6–7(5)Loss 1–6 ITF Antalya, TurkeyW10 Clay Irina Ramialison 1–6, 6–2, 0–6Win 2–6 ITF Istanbul, TurkeyW10 Hard (i) İpek Soylu 6–4, 6–2Loss 2–7 ITF Adana, TurkeyW10 Hard Zuzana Zlochová 5–7, 0–6Loss 2–8 ITF Breda, NetherlandsW10 Clay Bernarda Pera 4–6, 6–4, 0–6Loss 2–9 ITF Bron, FranceW10 Hard (i) Ema Mikulčić 0–6, 5–7Win 3–9 ITF Caserta, ItalyW10 Clay Marianna Zakarlyuk 4–6, 6–3, 6–4Win 4–9 ITF El Kantaoui, TunisiaW10 Hard Sandra Samir 6–2, 3–6, 6–3Win 5–9 ITF El Kantaoui, TunisiaW10 Hard Marie Benoît 6–2, 5–7, 6–1Loss 5–10 ITF El Kantaoui, TunisiaW10 Hard Myrtille Georges 4–6, 0–6Win 6–10 ITF Bursa, TurkeyW10 Clay Julieta Lara Estable 6–3, 6–4Win 7–10 ITF Varna, BulgariaW10 Clay Irina Bara 7–6(2), 6–4Win 8–10 ITF Sozopol, BulgariaW10 Hard Margot Yerolymos 6–3, 3–0 ret.Win 9–10 ITF El Kantaoui, TunisiaW10 Hard Chiraz Bechri 6–1, 6–2Win 10–10 ITF El Kantaoui, TunisiaW10 Hard Yana Sizikova 6–3, 6–2Win 11–10 ITF El Kantaoui, TunisiaW10 Hard Marta Paigina 7–5, 6–1Loss 11–11 ITF El Kantaoui, TunisiaW10 Hard Marta Paigina 2–6, 3–6Win 12–11 ITF Beinasco, ItalyW25 Clay (i) Jessica Pieri 1–6, 6–2, 6–2Win 13–11 ITF Hammamet, TunisiaW10 Clay Julia Grabher 6–4, 6–4Win 14–11 ITF Hammamet, TunisiaW10 Clay Irina Bara 6–1, 4–6, 7–6(2)Win 15–11 Chiasso Open, SwitzerlandW25 Clay Amanda Carreras 6–3, 7–6(1)Win 16–11 ITF Caserta, ItalyW25 Clay Dalila Jakupović 6–2, 4–6, 6–2Win 17–11 Bella Cup, PolandW25 Clay Tadeja Majerič 7–5, 4–6, 6–2Loss 17–12 ITF Dobrich, BulgariaW25 Clay Kathinka von Deichmann 0–6, 3–6Win 18–12 ITF Stockholm, SwedenW10 Hard (i) Kristína Schmiedlová 6–2, 6–4Loss 18–13 ITF Hammamet, TunisiaW15 Clay Marie Témin 4–6, 0–6Win 19–13 ITF Hammamet, TunisiaW15 Clay Satsuki Takamura 6–1, 6–2Loss 19–14 ITF Hammamet, TunisiaW15 Clay Fatma Al-Nabhani 3–6, 1–6Loss 19–15 ITF Palmanova, SpainW15 Clay Ylena In-Albon 1–6, 5–7Loss 19–16 ITF Hammamet, TunisiaW15 Clay Lea Bošković 7–6(7), 3–6, 4–6Loss 19–17 ITF Hammamet, TunisiaW15 Clay Montserrat González 6–7(4), 2–6Win 20–17 ITF Hammamet, TunisiaW15 Clay Yvonne Cavallé Reimers 6–3, 7–5Loss 20–18 ITF Klosters, SwitzerlandW25 Clay Miriam Kolodziejová 7–5, 4–6, 1–6Loss 20–19 ITF Båstad, SwedenW25 Clay Allie Kiick 2–6, 1–6Win 21–19 Trnava Indoor, SlovakiaW25 Hard (i) Denisa Šátralová 6–1, 6–3Win 22–19 Oeste Ladies Open, PortugalW60 Hard Natalija Kostić 6–3, 2–0 ret.Loss 22–20 ITF Lagos, PortugalW25 Hard Antonia Ružić 1–6, 4–6Win 23–20 ITF Monastir, TunisiaW15 Hard Lisa Mays 3–6, 6–4, 6–1Win 24–20 ITF Porto, PortugalW40 Hard Kristina Mladenovic 6–4, 7–5Loss 24–21 Aug 2023Vrnjačka Banja Open, SerbiaW25 Clay Polona Hercog 2–6, 4–6Win 25–21 Feb 2025ITF Sharm El Sheikh, EgyptW15 Hard Jana Kovačková 3–6, 6–0, 7–6(7)Win 26–21 Feb 2025ITF Sharm El Sheikh, EgyptW15 Hard Zhu Chenting 6–4, 3–6, 6–3Win 27–21 Mar 2025ITF Sharm El Sheikh, EgyptW15 Hard Sofia Shapatava 6–1, 6–2Loss 27–22 Feb 2026ITF Sharm El Sheikh, EgyptW15 Hard Ren Yufei 7–6(2), 5–7, 0–6Loss 27–23 Apr 2026ITF Sharm El Sheikh, EgyptW15 Hard Katarína Kužmová 1–6, 6–3, 5–7Loss 27–24 Aug 2026ITF Ourense, SpainW75 Hard Sonja Zhiyenbayeva 6–7(2), 6–3, 1–6
Doubles: 68 (32 titles, 36 runner-ups) LegendW60/75 tournamentsW40/50 tournamentsW25/35 tournamentsW10/15 tournamentsFinals by surfaceHard (14–12)Clay (18–24)