Singles

At the start of 2015, Pavlásek replaced injured countryman Radek Štěpánek in the Hopman Cup, playing alongside Lucie Šafářová. He made a name for himself by defeating world No. 20 Fabio Fognini of Italy, Pavlásek's first ever win over a top 20 player.^[2]

Pavlásek made his Grand Slam debut at the 2016 French Open as a lucky loser.

He made his top 100 debut on 12 June 2016 following his 2016 Sparta Prague Open Challenger title.^[3]

He made his ATP World Tour debut at 2016 Generali Open Kitzbühel, defeating Máximo González and Marcel Granollers to make his first ATP-level quarterfinal, where he lost to Nikoloz Basilashvili.

Doubles

He made his doubles debut at the 2023 French Open and recorded his first Major doubles win partnering Ariel Behar over Albert Ramos Viñolas and Bernabe Zapata Miralles.

At the 2023 Wimbledon Championships he reached the quarterfinals of a Major for the first time with Behar defeating former Wimbledon champions, ninth seeded pair of Mate Pavic and Nikola Mektic before losing to eventual champions Wesley Koolhof and Neal Skupski.^[4]

He reached his first ATP final with Behar at the 2023 European Open but lost to the Tsitsipas brothers.^[5]

Doubles: 1 (1 runner-up)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Oct 2023	European Open, Antwerp	250 Series	Hard (i)	Ariel Behar	Petros Tsitsipas Stefanos Tsitsipas	7–6(7–5), 4–6, [8–10]

Singles: 16 (10–6)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Jul 2012	Czech Republic F6, Liberec	Futures	Hard	Jiří Veselý	3–6, 7–6(7–3), 6–0
Win	2–0	Sep 2012	Turkey F37, Antalya	Futures	Hard	Andrei Ciumac	6–1, 6–3
Win	3–0	Aug 2013	Poland F2, Olsztyn	Futures	Clay	Benjamin Balleret	6–2, 5–7, 7–6(7–5)
Win	4–0	Oct 2013	Turkey F39, Antalya	Futures	Hard	Miliaan Niesten	6–1, 6–4
Win	5–0	Mar 2014	Italy F5, Santa Margherita di Pula	Futures	Clay	Arthur De Greef	6–3, 6–3
Win	6–0	May 2014	Egypt F18, Sharm El Sheikh	Futures	Hard	Germain Gigounon	2–6, 6–0, 6–2
Loss	6–1	May 2015	Ostrava, Czech Republic	Challenger	Clay	Íñigo Cervantes Huegun	6–7(5–7), 4–6
Loss	6–2	May 2015	Rome, Italy	Challenger	Clay	Aljaž Bedene	5–7, 2–6
Win	7–2	Jun 2015	Poprad-Tatry, Slovakia	Challenger	Clay	Hans Podlipnik Castillo	6–2, 3–6, 6–3
Loss	7–3	Jan 2016	Bangkok, Thailand	Challenger	Hard	Mikhail Youzhny	4–6, 1–6
Loss	7–4	Feb 2016	Cherbourg, France	Challenger	Hard (i)	Jordan Thompson	6–4, 4–6, 1–6
Loss	7–5	Apr 2016	Barletta, Italy	Challenger	Clay	Elias Ymer	5–7, 4–6
Win	8–5	Jun 2016	Prague, Czech Republic	Challenger	Clay	Stéphane Robert	6–4, 3–6, 6–3
Loss	8–6	Jul 2016	Scheveningen, Netherlands	Challenger	Clay	Robin Haase	4–6, 7–6(11–9), 2–6
Win	9–6	Sep 2016	Banja Luka, Bosnia/Herzegovina	Challenger	Clay	Miljan Zekić	3–6, 6–1, 6–4
Win	10–6	May 2018	Rome, Italy	Challenger	Clay	Laslo Đere	7–6(7–1), 6–7(9–11), 6–4

Doubles: 21 (7–14)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	May 2012	Ostrava, Czech Republic	Challenger	Clay	Jiří Veselý	Radu Albot Teymuraz Gabashvili	5–7, 7–5, [8–10]
Win	1–1	Jul 2012	Czech Republic F4, Prostějov	Futures	Clay	Jiří Veselý	Riccardo Bellotti Dominic Thiem	7–6(7–2), 6–3
Loss	1–2	Sep 2012	Poland F6, Legnica	Futures	Clay	Jan Šátral	Marcin Gawron Grzegorz Panfil	w/o
Loss	1–3	Apr 2014	Turkey F11, Antalya	Futures	Hard	Luca Margaroli	Rémi Boutillier Alexis Klégou	3–6, 6–3, [7–10]
Win	2–3	Jul 2014	Poznań, Poland	Challenger	Clay	Radu Albot	Tomasz Bednarek Henri Kontinen	7–5, 2–6, [10–8]
Loss	2–4	Nov 2014	Bratislava, Slowakei	Challenger	Hard (i)	Norbert Gombos	Ken Skupski Neal Skupski	3–6, 6–7(3–7)
Loss	2–5	Jun 2015	Poprad-Tatry, Slovakia	Challenger	Clay	Norbert Gombos	Roman Jebavý Jan Šátral	2–6, 2–6
Win	3–5	Jan 2019	Koblenz, Germany	Challenger	Hard (i)	Zdeněk Kolář	Jürgen Melzer Filip Polášek	6–3, 6–4
Loss	3–6	May 2019	Rome, Italy	Challenger	Clay	Nikola Čačić	Filip Polášek Philipp Oswald	w/o
Loss	3–7	Apr 2022	Oeiras, Portugal	Challenger	Clay	Zdeněk Kolář	Nuno Borges Francisco Cabral	4-6, 0-6
Win	4–7	Apr 2022	Madrid, Spain	Challenger	Clay	Igor Zelenay	Rafael Matos David Vega Hernández	6–3, 3–6, [10–6]
Loss	4–8	May 2022	Prague, Czech Republic	Challenger	Clay	Andrew Paulson	Nuno Borges Francisco Cabral	4-6, 7-6(7-3), [5-10]
Win	5–8	May 2022	Zagreb, Croatia	Challenger	Clay	Igor Zelenay	Domagoj Bilješko Andrey Chepelev	4–6, 6–3, [10–2]
Loss	5–9	May 2022	Poznan, Poland	Challenger	Clay	Marek Gengel	Hunter Reese Szymon Walków	6-1, 3-6, [6-10]
Loss	5–10	Jul 2022	Braunschweig, Germany	Challenger	Clay	Roman Jebavý	Marcelo Demoliner Jan-Lennard Struff	4-6, 5-7
Win	6–10	Jul 2022	Zug, Switzerland	Challenger	Clay	Zdeněk Kolář	Karol Drzewiecki Patrik Niklas-Salminen	6–3, 7–5
Loss	6–11	Aug 2022	Liberec, Czech Republic	Challenger	Clay	Roman Jebavý	Neil Oberleitner Philipp Oswald	6-7(5-7), 2-6
Loss	6–12	Sep 2022	Szczecin, Poland	Challenger	Clay	Roman Jebavý	Dustin Brown Andrea Vavassori	4–6, 7–5, [8–10]
Loss	6–13	Sep 2022	Genoa, Italy	Challenger	Clay	Roman Jebavý	Dustin Brown Andrea Vavassori	2–6, 2–6
Win	7–13	Jan 2023	Nonthaburi, Thailand	Challenger	Hard	Marek Gengel	Robert Galloway Hans Hach Verdugo	7–6(7–4), 6–4
Loss	7–14	Jan 2023	Ottignies-Louvain-la-Neuve, Belgium	Challenger	Hard (i)	Roman Jebavý	Romain Arneodo Tristan-Samuel Weissborn	4–6, 3–6