Maryna Leonidivna Kolb (; born 13 March 1997) is a Ukrainian tennis player.

She has a career-high WTA doubles ranking of world No. 173, she achieved on 9 September 2024.

Maryna was born in the city of Yevpatoriya. Her older sister Nadiia, who is also a professional tennis player, is her regular doubles partner.

Maryna made her WTA Tour main-draw debut at the 2024 Hong Kong Tennis Open, partnering with older sister Nadiia Kolb in doubles. They defeated Japanese duo Aoi Ito and Kyōka Okamura in the first round.In the quarter-finals, they were defeated by Norwegian Ulrikke Eikeri and Japanese Makoto Ninomiya.

In a 2024 interview with League of Legends journalist Rigas, Kolb stated that she wants to focus on streaming League of Legends when she retires from tennis.

ITF Circuit finals

Doubles: 35 (10 titles, 25 runner-up) LegendW80 tournaments W60/75 tournamentsW40/50 tournaments W25/35 tournaments W10/15 tournaments ResultNo.DateTournamentTierSurfacePartnerOpponentsScoreLoss 0–1 Jul 2013ITF Istanbul, TurkeyW10 Hard Nadiia Kolb Polina Leykina Lidziya Marozava 6–7(2), 5–7Loss 0–2 Nov 2013ITF Heraklion, GreeceW10 Carpet Nadiia Kolb Csilla Borsányi Ilka Csöregi 6–4, 3–6, [9–11]Loss 0–3 Jun 2014ITF Galați, RomaniaW10 Clay Nadiia Kolb Camelia Hristea Patricia Maria Țig 3–6, 1–6Loss 0–4 Aug 2014ITF Ostrava, Czech RepublicW10 Clay Nadiia Kolb Lenka Kunčíková Karolína Stuchlá 6–4, 2–6, [7–10]Loss 0–5 Oct 2014ITF Oslo, NorwayW10 Hard (i) Nadiia Kolb Alexa Guarachi Nina Stojanović 4–6, 6–7(7)Loss 0–6 Nov 2014ITF Oslo, NorwayW10 Hard (i) Nadiia Kolb Alexa Guarachi Daria Lodikova 3–6, 6–2, [6–10]Loss 0–7 Jun 2015ITF Niš, SerbiaW10 Clay Nadiia Kolb Ailen Crespo Azconzábal Ana Victoria Gobbi Monllau 1–6, 2–6Loss 0–8 Jul 2015ITF Prokuplje, SerbiaW10 Clay Nadiia Kolb Estrella Cabeza Candela Alexandra Nancarrow 6–2, 4–6, [6–10]Loss 0–9 Jul 2015ITF Iași, RomaniaW10 Clay Nadiia Kolb Ioana Loredana Roșca Oana Georgeta Simion 3–6, 5–7Loss 0–10 Aug 2015ITF Plovdiv, BulgariaW10 Clay Nadiia Kolb Alexandra Nancarrow Yana Sizikova 3–6, 3–6Win 1–10 Sep 2015ITF Prague, Czech RepublicW10 Clay Nadiia Kolb Tina Tehrani Karolina Wlodarczak 6–4, 6–2Loss 1–11 Apr 2016ITF Győr, HungaryW10 Clay Nadiia Kolb Daiana Negreanu Rebeka Stolmár 6–7(4), 0–6Loss 1–12 Jun 2016ITF Szczawno-Zdrój, PolandW10 Clay Nadiia Kolb Olga Brózda Anastasiya Shoshyna 2–6, 6–7(4)Win 2–12 Sep 2016ITF Chișinău, MoldovaW10 Clay Nadiia Kolb Veronika Kapshay Angelina Shakhraychuk 5–7, 7–5, [10–6]Win 3–12 Sep 2017ITF Kyiv, UkraineW15 Clay Nadiia Kolb Martina Colmegna Michele Alexandra Zmău 6–2, 4–6, [13–11] Loss 3–13 Nov 2017ITF Stockholm, SwedenW15 Hard (i) Nadiia Kolb Malene Helgø Fanny Östlund w/oWin 4–13 Nov 2017ITF Minsk, BelarusW15 Hard (i) Nadiia Kolb Manon Arcangioli Alena Tarasova 5–7, 6–4, [10–7]Loss 4–14 Dec 2017ITF Milovice, Czech RepublicW15 Hard (i) Nadiia Kolb Jana Jablonovská Lena Papadakis 1–6, 3–6Win 5–14 Sep 2018ITF Chornomorsk, UkraineW15 Clay Nadiia Kolb Alexandra Perper Anastasia Vdovenco 6–4, 6–4Win 6–14 Aug 2022ITF Bydgoszcz, Poland W15 Clay Nadiia Kolb Valeriia Olianovskaia Stefania Rogozińska Dzik 6–4, 1–6, [10–7]Win 7–14 Sep 2022ITF Ceuta, Spain W15 Hard Nadiia Kolb Lucía Llinares Domingo Olga Parres Azcoitia 6–4, 6–2Loss 7–15 Oct 2022ITF Baza, Spain W15 Hard Nadiia Kolb Lucía Llinares Domingo Olga Parres Azcoitia 5–7, 6–2, [11–13]Loss 7–16 Oct 2022ITF Seville, SpainW25 Clay Nadiia Kolb İpek Öz Nika Radišić 5–7, 6–7(3)Win 8–16 Sep 2022ITF Gdańsk, PolandW15 Clay Nadiia Kolb Gina Feistel Marcelina Podlińska 6–0, 6–1Loss 8–17 Sep 2023ITF Frýdek-Místek, Czech RepublicW25 Clay Nadiia Kolb Mana Kawamura Linda Klimovičová 1–6, 3–6Loss 8–18 Sep 2023ITF Féminin Le Neubourg, FranceW80 Hard Nadiia Kolb Fiona Ferro Alina Korneeva 6–7(7), 5–7Loss 8–19 Sep 2023ITF Santarém, Portugal W25 Hard Nadiia Kolb Dalayna Hewitt Madison Sieg 6–4, 2–6, [10–12]Win 9–19 Oct 2023ITF Seville, Spain W25 Clay Nadiia Kolb Cristina Dinu Sapfo Sakellaridi 6–1, 6–1Win 10–19 Oct 2023ITF Faro, PortugalW25 Hard Nadiia Kolb Diāna Marcinkēviča Sapfo Sakellaridi 6–4, 6–3Loss 10–20 Oct 2023ITF Castellón, Spain W15 Clay Nadiia Kolb Marie Mettraux Chantal Sauvant 6–3, 1–6, [5–10]Loss 10–21 Nov 2023ITF Nules, Spain W15 Clay Nadiia Kolb Yvonne Cavallé Reimers Ángela Fita Boluda 1–6, 2–6Loss 10–22 Aug 2024ITF Bytom, PolandW50 Clay Nadiia Kolb Nicole Fossa Huergo Zhibek Kulambayeva 6–7(6), 2–6Loss 10–23 Aug 2024ITF Bydgoszcz, PolandW35 Clay Nadiia Kolb Sada Nahimana Rinon Okuwaki 4–6, 1–6Loss 10–24 Aug 2024ITF Brașov, RomaniaW35 Clay Nadiia Kolb Ksenia Laskutova Nina Vargová 3–6, 4–6Loss 10–25 Sep 2024Ladies Open Vienna, AustriaW75 Clay Nadiia Kolb Emily Appleton Estelle Cascino 4–6, 6–7(1)

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