Grigoriy Lomakin (born 18 March 1998) is a Kazakh tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 189 achieved on 20 March 2023 and a singles ranking of No. 713 achieved on 29 July 2024.

Career Lomakin made his ATP main draw debut at the 2022 Astana Open in the doubles draw partnering Denis Yevseyev.

ATP Challenger Tour finals Doubles: 5 (5 runner-up) LegendATP Challenger Tour (0–5)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Nur-Sultan, KazakhstanChallengerHard Oleksii Krutykh Hsu Yu-hsiou Benjamin Lock3–6, 4–6Loss0–2Pereira, ColombiaChallengerClay Oleg Prihodko Luis David Martínez Cristian Rodríguez6–7(2–7), 6–7(3–7)Loss0–3Bengaluru, IndiaChallengerHard Petr Bar Biryukov Niki Kaliyanda Poonacha Saketh Myneni2–6, 3–6Loss0–4Bengaluru, IndiaChallengerHard Petr Bar Biryukov Adil Kalyanpur Mukund Sasikumar7-6(7–3), 4–6, [3-10]Loss0–5President's Cup, KazakhstanChallengerHard Petr Bar Biryukov Taisei Ichikawa Masamichi Imamura6–3, 6–7(4–7), [5–10]

ITF Tour Finals

Singles: 1 (title) Legend (singles)ITF Futures / World Tennis Tour (1-0)

ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0M15 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Kasidit Samrej7–6(7–2), 4-6, 6-3

Doubles: 53 (31 titles, 22 runner-ups) Legend (doubles)ITF Futures / World Tennis Tour (31–22)Titles by surfaceHard (15–19)Clay (16–8)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreWin1–0Georgia F3, TelaviFuturesClay George Tsivadze Vladyslav Orlov Oleg Prihodko6–7(8–10), 7–6(7–5), [10–8]Win2–0Belarus F3, MinskFuturesHard George Tsivadze Marek Gengel David Poljak7–5, 7–6(7–4)Win3–0Kazakhstan F6, AlmatyFuturesClay Sagadat Ayap Andrea Bessire Francesco Bessire6–3, 6–4Win4–0Kazakhstan F8, ShymkentFuturesClay George Tsivadze Aliaksandr Bury Maksim Zubkou7–6(7–3), 6–3Loss4–1M15 Antalya, TurkeyWorld Tennis TourClay Vladyslav Orlov Felipe Meligeni Alves Cristian Rodríguez3–6, 4–6Win5–1M15 Antalya, TurkeyWorld Tennis TourClay Vladyslav Orlov Louroi Martinez Damien Wenger6–4, 6–7(4–7), [10–6]Loss5–2M15 Andijan, UzbekistanWorld Tennis TourHard Markos Kalovelonis Timur Khabibulin Vladyslav Manafov5–7, 1–6Loss5–3M15 Tbilisi, GeorgiaWorld Tennis TourHard George Tsivadze Michal Konečný Ondřej Krstev3–6, 3–6Loss5–4M15 Antalya, TurkeyWorld Tennis TourClay Sarp Ağabigün Mikhail Korovin Oleg Prihodko3–6, 7–5, [5–10]Loss5–5M15 Oskemen, KazakhstanWorld Tennis TourHard Sagadat Ayap Konstantin Kravchuk Alexander Pavlioutchenkov5–7, 3–6Loss5–6M25 Almaty, KazakhstanWorld Tennis TourHard George Tsivadze Ivan Liutarevich Vladyslav Manafov5–7, 2–6Win6–6M25 Tây Ninh, VietnamWorld Tennis TourHard Jumpei Yamasaki Sidharth Rawat Manish Sureshkumar6–0, 6–1Win7–6M15 Antalya, TurkeyWorld Tennis TourClay Oleg Prihodko Mats Hermans Bart Stevens6–4, 6–3Loss7–7M15 Antalya, TurkeyWorld Tennis TourClay Maxim Ratniuk Nicolás Alberto Arreche Matias Zukas6–7(3–7), 3–6Win8–7M15 Cairo, EgyptWorld Tennis TourClay Kai Wehnelt Juan Ignacio Galarza Juan Pablo Paz6–4, 6–2Win9–7M15 Shymkent, KazakhstanWorld Tennis TourClay Yan Bondarevskiy Sanjar Fayziev Markos Kalovelonis6–3, 6–4Win10–7M15 Shymkent, KazakhstanWorld Tennis TourClay Yan Bondarevskiy Marat Sharipov Beibit Zhukayev7–5, 6–2Win11–7M15 Telavi, GeorgiaWorld Tennis TourClay Yan Bondarevskiy Denis Klok Oleg Prihodko6–4, 3–6, [10–6]Win12–7M15 Chornomorsk, UkraineWorld Tennis TourClay Vladyslav Manafov Yan Bondarevskiy Oleg Prihodko7–6(7–5), 4–6, [10–8]Win13–7M15 Monastir, TunisiaWorld Tennis TourHard Niki Kaliyanda Poonacha Anis Ghorbel Mirko Martinez6–1, 7–5Loss13–8M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Ray Ho Ben Jones Daniel Little4–6, 5–7Win14–8M15 Antalya, TurkeyWorld Tennis TourClay Oleg Prihodko Toshihide Matsui Kaito Uesugi7–5, 3–6, [10–5]Loss14–9M15 Cairo, EgyptWorld Tennis TourClay Ray Ho Anthony Genov Tomislav Jotovski1–6, 6–3, [7–10]Win15–9M15 Cairo, EgyptWorld Tennis TourClay Ray Ho Benjamin Lock Daniel Michalski7–6(7–2), 7–6(7–2)Win16–9M25 Tbilisi, GeorgiaWorld Tennis TourHard Ivan Liutarevich Erik Arutiunian Daniil Ostapenkov3–6, 7–6(7–4), [10–5]Loss16–10M25 Vacaria, BrazilWorld Tennis TourClay Igor Gimenez João Victor Couto Loureiro Gustavo Heide6–3, 6–7(5–7), [5–10]Win17–10M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Marat Sharipov Gabriele Pennaforti Kelsey StevensonWalkoverLoss17–11M15 Tbilisi, GeorgiaWorld Tennis TourHard Sarp Ağabigün Aliaksandr Liaonenka Alexander Zgirovsky2–6, 2–6Win18–11M15 Tehran, IranWorld Tennis TourClay Egor Agafonov Erik Arutiunian Daniel Ibragimov6–3, 7–6(7–4)Win19–11M15 Tehran, IranWorld Tennis TourClay Egor Agafonov Yash Chaurasia Ishaque Eqbal7–5, 6–2Loss19–12M15 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Maximus Jones Qian Sun Wishaya Trongcharoenchaikul4–6, 4–6Loss19–13M15 Doha, QatarWorld Tennis TourHard Bogdan Bobrov Egor Agafonov Marat Sharipov6–7(7–9), 2–6Loss19–14M15 Telavi, GeorgiaWorld Tennis TourClay Zura Tkemaladze Teymuraz Gabashvili Aleksandre Metreveli4–6, 4–6Win20–14M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Evgeny Philippov Tommaso Compagnucci Viktor Jovic6–2, 7–5Loss20–15M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Evgeny Philippov Ben Jones David Stevenson6–7(5–7), 6–7(2–7)Win21–15M15 Sharm El Sheikh, EgyptWorld Tennis TourHard Vadym Ursu Filiberto Fumagalli Samuel Vincent Ruggeri6–2, 4–6, [10–5]Loss21–16M25 Sharm El Sheikh, EgyptWorld Tennis TourHard Ilia Simakin Ben Jones Jakub Paul2–6, 2–6Win22–16M15 Shymkent, KazakhstanWorld Tennis TourClay Pavel Verbin Aleksandre Bakshi Niklas Schell7–6(7–1), 6–3Win23–16M15 Shymkent, KazakhstanWorld Tennis TourClay Pavel Verbin S D Prajwal Dev Sai Karteek Reddy Ganta7–6(11–9), 6–3Win24–16M15 Tbilisi, GeorgiaWorld Tennis TourHard Marek Gengel Aleksandre Bakshi Zura Tkemaladze2–6, 7–6(7–3), [10–8]Win25–16M15 Monastir, TunisiaWorld Tennis TourHard Ilia Simakin Pedro Araujo Diogo Marques6–1, 7–5Win26–16M15 Monastir, TunisiaWorld Tennis TourHard Paulo André Saraiva dos Santos Niklas Schell Marcus Walters4–6, 6–2, [10–8]Win27–16M15 Monastir, TunisiaWorld Tennis TourHard Egor Agafonov Paulo Andre Saraiva dos Santos Kris van Wyk6–3, 6–3Loss27–17M15 Monastir, TunisiaWorld Tennis TourHard Egor Agafonov Paulo Andre Saraiva dos Santos Mateo Matulovich5-7, 6–4, [8–10]Loss27–18M25 Astana, KazakhstanWorld Tennis TourHard Zura Tkemaladze Ilia Simakin Egor Agafonov2-6, 4-6Loss27–19M25 Ahmedabad, IndiaWorld Tennis TourHard Nick Chappell Adil Kalyanpur Kody Pearson3–6, 6–4, [14–16] Win28–19M25 Bengaluru, IndiaWorld Tennis TourHard Nick Chappell S D Prajwal Dev Nitin Kumar Sinha 6–2, 7–6(7–5)Loss28–20M25 Anning, ChinaWorld Tennis TourClay Wishaya Trongcharoenchaikul Mikalai Haliak Lo Yi-jui6–7(1–7), 4–6 Loss28–21M15 Monastir, TunisiaWorld Tennis TourHard Luca Pow Alejandro Manzanera Pertusa Nitin Kumar Sinha6–7(11–13), 3–6Win29–21M15 Kayseri, TurkiyeWorld Tennis TourHard Kai Wehnelt Constantin Bittoun Kouzmine Stefan Cooper 6–0, 3–2 ret. Loss29–22M15 Gwalior, IndiaWorld Tennis TourHard Ishaque Eqbal Aryan Shah Atharva Sharma6–2, 3–6, [9–11] Win30–22M15 Hyderabad, IndiaWorld Tennis TourHard Ishaque Eqbal Eric Vanshelboim Jeffrey von der Schulenburg 6–2, 6–3 Win31–22M15 Ma'anshan, ChinaWorld Tennis TourHard Joshua Charlton Cho Seong-woo Yang Zijiang6–2, 4–6, [10–7]

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