|Born||29 March 1995|
|Plays||Right-handed (two-handed backhand)|
|Prize money||$ 101,499|
|Official website||WTA Tennis|
|Career titles||11 ITF|
|Highest ranking||No. 213 (14 August 2017)|
|Grand Slam Singles results|
|Australian Open Junior||Q3 (2010)|
|French Open Junior||Q1 (2011)|
|Career titles||4 ITF|
|Highest ranking||No. 254 (19 October 2015)|
|Grand Slam Doubles results|
|Australian Open Junior||1R (2010)|
|Last updated on: 3 October 2018.|
Olga Yuriyivna Ianchuk (Ukrainian : Ольга Юріївна Янчук, born 29 March 1995 in Kiev) is a Ukrainian tennis player.
Ianchuk has a career high WTA singles ranking of 213, achieved in August 2017. She also has a career high WTA doubles ranking of 254 achieved in October 2015. She has won 11 ITF singles titles and 4 ITF doubles titles.
Ianchuk made her WTA main draw debut at the 2015 Baku Cup in the doubles event partnering Oleksandra Korashvili.
Her older sister Elizaveta Ianchuk is also a professional tennis player.
|Winner||1.||31 October 2011||Minsk, Belarus||Carpet||6–3, 4–6, 6–4|
|Winner||2.||15 October 2012||Antalya, Turkey||Clay||6–2, 2–6, 6–3|
|Winner||3.||22 October 2012||Antalya, Turkey||Clay||3–6, 6–4, 6–4|
|Winner||4.||13 May 2013||Antalya, Turkey||Hard||6–3, 6–3|
|Winner||5.||20 May 2013||Antalya, Turkey||Hard||6–3, 7–6(7–4)|
|Winner||6.||10 February 2014||Stockholm, Sweden||Hard (i)||6–0, 6–0|
|Runner-up||1.||9 June 2014||Bol, Croatia||Clay||3–6, 6–2, 2–6|
|Runner-up||2.||8 September 2014||Batumi, Georgia||Hard||2–6, 0–6|
|Runner-up||3.||22 December 2014||İstanbul, Turkey||Hard (i)||2–6, 4–6|
|Winner||7.||16 March 2015||Amiens, France||Clay (i)||3–6, 6–3, 6–4|
|Winner||8.||23 March 2015||Gonesse, France||Clay (i)||3–6, 7–5, 6–3|
|Winner||9.||26 March 2017||Heraklion, Greece||Clay||6–3, 6–2|
|Runner-up||4.||29 April 2017||Qarshi, Uzbekistan||Hard||6–4, 3–6, 3–6|
|Runner-up||5.||25 June 2017||Warsaw, Poland||Clay||2–6, 4–6|
|Winner||10.||15 July 2017||Moscow, Russia||Clay||4–6, 6–0, 7–6(7–5)|
|Runner-up||6.||25 September 2017||Kiev, Ukraine||Clay||4–6, 4–6|
|Winner||11.||12 August 201||Warsaw, Poland||Clay||0–6, 6–1, 4–6|
|Runner-up||1.||3 October 2011||Yerevan, Armenia||Clay||1–6, 4–6|
|Runner-up||2.||31 October 2011||Minsk, Belarus||Carpet (i)||3–6, 4–6|
|Winner||1.||13 May 2013||Antalya, Turkey||Hard||3–6, 7–5, [10–8]|
|Winner||2.||27 May 2013||Adana, Turkey||Hard||6–2, 7–5|
|Runner-up||3.||29 July 2013||Rovereto, Italy||Clay||6–3, 4–6, [6–10]|
|Runner-up||4.||12 October 2013||Moscow, Russia||Clay||3–6, 4–6|
|Winner||3.||20 January 2014||Kaarst, Germany||Carpet||7–5, 6–3|
|Runner-up||5.||17 February 2014||Helsingborg, Sweden||Hard||4–6, 3–6|
|Winner||4.||12 May 2014||Bastad, Sweden||Clay||6–4, 6–3|
|Runner-up||6.||19 May 2014||Bol, Croatia||Clay||4–6, 0–6|
|Runner-up||7.||2 June 2014||Bol, Croatia||Clay||6–0, 1–6, [8–10]|
|Runner-up||8.||8 November 2014||Sharm el Sheikh, Egypt||Hard||1–6, 1–6|
|Runner-up||9.||15 March 2015||Amiens, France||Clay (i)||1–6, 4–6|
|Runner-up||10.||22 March 2015||Gonesse, France||Clay (i)||4–6, 6–3, [6–10]|
|Runner-up||11.||3 May 2015||Charlottesville, USA||Clay||1–6, 3–6|
|Runner-up||12.||31 May 2015||Moscow, Russia||Clay||2–6, 6–7(10–12)|
|Runner-up||13.||13 June 2015||Minsk, Belarus||Clay||6–4, 0–6, [10–12]|
|Runner-up||14.||18 September 2015||Bucha, Ukraine||Clay||4–6, 3–6|
|Runner-up||15.||25 September 2015||Bucha, Ukraine||Clay||5–7, 2–6|
|Runner-up||16.||20 August 2016||Leipzig, Germany||Clay||6–7(4–7), 5–7|
|Runner-up||17.||25 March 2017||Heraklion, Greece||Clay||0–6, 3–6|
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