Daniel Michalski (Polish pronunciation: [ˈdaɲɛl miˈxalskʲi]; born 11 January 2000) is a Polish tennis player. He has a career high ATP singles ranking of No. 243 achieved on 25 July 2022.

Michalski represents Poland at the Davis Cup, where he has a W/L record of 1–0.

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Apr 2019	M15, Sharm el-Sheikh, Egypt	World Tennis Tour	Hard	Lukáš Klein	2–6, 3–6
Loss	0–2	Aug 2019	M25, Bydgoszcz, Poland	World Tennis Tour	Clay	Nicolás Álvarez	5–7, 3–6
Win	1–2	Sep 2019	M15, Cairo, Egypt	World Tennis Tour	Clay	Matthieu Perchicot	6–2, 7–6(7–3)
Win	2–2	Nov 2019	M15, Cairo, Egypt	World Tennis Tour	Clay	Facundo Juarez	6–4, 6–3
Loss	2–3	Oct 2020	M15, Monastir, Tunisia	World Tennis Tour	Hard	Laurynas Grigelis	7–5, 5–7, 6–7(8–10)
Loss	2–4	Mar 2021	M15, Antalya, Turkey	World Tennis Tour	Clay	Miljan Zekić	6–7(6–8), 3–6
Loss	2–5	Apr 2021	M15, Cairo, Egypt	World Tennis Tour	Clay	Oliver Crawford	2–6, 7–5, 3–6
Win	3–5	Oct 2021	M15, Antalya, Turkey	World Tennis Tour	Clay	David Ionel	6–3, 6–4
Win	4–5	Nov 2021	M15, Antalya, Turkey	World Tennis Tour	Clay	Billy Harris	2-6, 6–1, 6-3
Win	5–5	Nov 2021	M15, Antalya, Turkey	World Tennis Tour	Clay	Cezar Crețu	7-6(7-2), 6-2
Win	6–5	Jan 2022	M15, Cairo, Egypt	World Tennis Tour	Clay	Andrey Chepelev	7-6(7-3), 6-2
Win	7–5	Jan 2022	M15, Cairo, Egypt	World Tennis Tour	Clay	David Pichler	6-4, 6-3
Loss	7–6	Mar 2022	Zadar, Croatia	Challenger	Clay	Flavio Cobolli	4-6, 2-6
Win	8–6	Oct 2022	M25, Santa Margherita di Pula, Italy	World Tennis Tour	Clay	Timo Stodder	7-6(7-0), 6-3
Win	9–6	Apr 2023	M25, Santa Margherita di Pula, Italy	World Tennis Tour	Clay	Timo Legout	6-4, 6-3
Loss	9–7	Apr 2023	M25, Santa Margherita di Pula, Italy	World Tennis Tour	Clay	Gonçalo Oliveira	3-6, 2-6
Win	10–7	May 2023	M25, Santa Margherita di Pula, Italy	World Tennis Tour	Clay	Sebastian Fanselow	6-1, 6-2
Win	11–7	Sep 2023	M25, Santa Margherita di Pula, Italy	World Tennis Tour	Clay	Federico Arnaboldi	2-6, 6-4, 6-2
Loss	11–8	Oct 2023	M25, Santa Margherita di Pula, Italy	World Tennis Tour	Clay	Oriol Roca Batalla	6–2, 1–6, 4–6
Win	12–8	Aug 2024	M25, Poznań, Poland	World Tennis Tour	Clay	Michael Vrbensky	5–7, 6–4, 6–4
Win	13–8	Sep 2024	M25, Santa Margherita di Pula, Italy	World Tennis Tour	Clay	Niccolo Catini	6–0, 6–4
Win	14–8	Feb 2025	M25, Antalya, Turkey	World Tennis Tour	Clay	Zdeněk Kolář	7-6(7-5), 6-1

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Feb 2019	Sharm el-Sheikh, Egypt M15	World Tennis Tour	Hard	David Poljak	Andrés Artuñedo Pablo Vivero González	4–6, 4–6
Loss	0–2	Mar 2019	Sharm el-Sheikh, Egypt M15	World Tennis Tour	Hard	Kacper Żuk	Marat Deviatiarov Jakub Paul	3–6, 4–6
Win	1–2	Apr 2019	Sharm el-Sheikh, Egypt M15	World Tennis Tour	Hard	Michal Dembek	Marek Jaloviec Lukáš Klein	6–2, 3–6, [10–8]
Loss	1–3	Jun 2019	Tabarka, Tunisia M15	World Tennis Tour	Clay	Kacper Żuk	Toby Martin Barnaby Smith	7–5, 1–6, [8–10]
Loss	1–4	Oct 2019	Sharm el-Sheikh, Egypt M15	World Tennis Tour	Hard	Piotr Matuszewski	Julien Cash Jan Zieliński	6–7(2–7), 6–7(3–7)
Loss	1–5	Nov 2019	Cairo, Egypt M15	World Tennis Tour	Clay	Piotr Matuszewski	Fabrizio Ornago Matias Zukas	2–3 RET
Win	2–5	Feb 2020	Antalya, Turkey M15	World Tennis Tour	Clay	Michael Vrbenský	Max Houkes David Jordà Sanchis	6–1, 2–6, [12–10]
Win	3–5	Oct 2020	Monastir, Tunisia M15	World Tennis Tour	Clay	Marco Bortolotti	Facundo Juarez Gabriel Roveri Sidney	4–6, 6–2, [10–6]
Win	4–5	Feb 2021	Monastir, Tunisia M15	World Tennis Tour	Hard	Carlos Sánchez Jover	Konstantin Schmitz Kai Wehnelt	6–4, 7–5
Win	5–5	Oct 2021	Antalya, Turkey M15	World Tennis Tour	Clay	Gergely Madarász	Mircea-Alexandru Jecan Dan Alexandru Tomescu	6–4, 6–3
Loss	5–6	Jan 2022	Cairo, Egypt M15	World Tennis Tour	Clay	Benjamin Lock	Ray Ho Grigoriy Lomakin	6–7(2–7), 6–7(3–7)

• Daniel Michalski at the Association of Tennis Professionals
• Daniel Michalski at the International Tennis Federation
• Daniel Michalski at the Davis Cup