Alibek Muratovich Kachmazov (Russian: Алибек Муратович Качмазов, IPA: [ɐlʲɪˈbʲek kɐˈt͡ɕmazəf]; born 17 August 2002) is a Russian tennis player. He has a career high ATP singles ranking of world No. 179 achieved on 23 September 2024. He also has a career high ATP doubles ranking of No. 250 achieved on 8 May 2023.^[1]

Kachmazov made his ATP main draw debut at the 2019 Kremlin Cup after receiving a wildcard for the singles main draw.^[2]

He entered the main draw at the 2023 Chengdu Open as a qualifier but lost in the first round to Christopher O'Connell.

He entered the qualifying draw at the 2023 Astana Open as an alternate and won in the first round against third seed Fabian Marozsan and seventh seed Damir Dzumhur to qualify for his third main draw. He won his first ATP Tour level match against Corentin Moutet.^[3]

Ranked No. 252, he again entered the main draw at the 2024 Chengdu Open as a qualifier and recorded his second and third ATP wins over two top 100 players Aleksandar Kovacevic,^[4] Taro Daniel,^[5][6] and top-30 player Nicolás Jarry^[7] to reach his first ATP semifinal, becoming the lowest-ranked semifinalist in tournament history. As a result he reached a new career-high ranking in the top 180 on 23 September 2024, raising more than 70 positions up.^[8][9]

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Aug 2022	Nonthaburi, Thailand	Challenger	Hard	Evgeny Donskoy	Nam Ji-sung Song Min-kyu	6–3, 1–6, [10–7]

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Dec 2019	M15 Heraklion, Greece	WTT	Hard	Boris Pokotilov	7–6(7–4), 2–6, 6–7(6–8)
Win	1–1	Feb 2021	M15 Saint Petersburg, Russia	WTT	Hard (i)	Alexey Zakharov	6–4, 5–7, 6–4
Loss	1–2	Oct 2021	M15 Kazan, Russia	WTT	Hard (i)	Bogdan Bobrov	5–7, 4–6
Win	2–2	Oct 2021	M25 Nur-Sultan, Kazakhstan	WTT	Hard (i)	Bogdan Bobrov	6–2, 4–6, 6–4
Win	3–2	Nov 2021	M15 Kazan, Russia	WTT	Hard (i)	Martin Borisiouk	6–2, 6–2
Win	4–2	Jan 2022	M15 Kazan, Russia	WTT	Hard (i)	Marat Sharipov	6–3, 6–3
Win	5–2	Mar 2022	M25 Nur-Sultan, Kazakhstan	WTT	Hard (i)	Beibit Zhukayev	6–3, 6–7(5–7), 7–6(7–4)
Win	6–2	Apr 2022	M15 Sharm El Sheikh, Egypt	WTT	Hard	Samuel Vincent Ruggeri	6–2, 6–4
Loss	6–3	May 2022	M15 Shymkent, Kazakhstan	WTT	Clay	Sean Cuenin	3–6, 6–7(3–7)
Loss	6–4	Apr 2023	M25 Sharm El Sheikh, Egypt	WTT	Hard	Saba Purtseladze	4–6, 5–7
Win	7–4	Apr 2023	M25 Tbilisi, Georgia	WTT	Hard	Egor Agafonov	6–2, 6–1
Win	8–4	Jun 2023	M25 La Nucia, Spain	WTT	Clay	Carlos Sánchez Jover	6–3, 6–1
Loss	8–5	Mar 2024	M25 Saint-Dizier, France	WTT	Hard (i)	Gauthier Onclin	6–3, 6–7(3–7), 5–7

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Oct 2020	M15 Monastir, Tunisia	WTT	Hard	Vladimir Ivanov	Laurynas Grigelis Lukas Mugevičius	6–4, 6–4
Win	2–0	Feb 2022	M25 Sharm El Sheikh, Egypt	WTT	Hard	Beibit Zhukayev	Hsu Yu-hsiou Neil Oberleitner	1–6, 7–6(7–1), [10–5]
Win	3–0	Apr 2022	M15 Shymkent, Kazakhstan	WTT	Clay	Marat Sharipov	Yan Bondarevskiy Aleksandre Bakshi	6–3, 6–4
Win	4–0	Apr 2023	M25 Sharm El Sheikh, Egypt	WTT	Hard	Sergey Fomin	Alexandr Cozbinov August Holmgren	6–2, 6–3
Loss	4–1	Apr 2023	M25 Tbilisi, Georgia	WTT	Hard	Egor Agafonov	Aliaksandr Liaonenka Alexander Zgirovsky	0–6, 6–3, [5–10]

• Alibek Kachmazov at the Association of Tennis Professionals
• Alibek Kachmazov at the International Tennis Federation