Daniel Masur (German pronunciation:[ˈdaːni̯eːlmaˈzuːɐ̯,-ni̯ɛl-]; born 6 November 1994 in Bückeburg) is a German professional tennis player. He has a career-high ATP singles ranking of world No. 176, achieved in March 2022 and in doubles of No. 149 achieved in September 2022.

Juniors

On the junior tour, Masur has a career high ITF junior ranking of No. 13 achieved in September 2012. Masur was a semifinalist at the 2012 US Open boys' doubles event, partnering Maximilian Marterer.

Professional career

2016–2020: ATP debut and first ATP match win

Masur made his ATP main draw debut as a lucky loser at the 2016 German Open in Hamburg in the doubles draw, partnering Cedrik-Marcel Stebe.

He won his first singles match on ATP-level as a qualifier at the 2018 German Open, defeating Maximilian Marterer in the first round.

In the first round of the 2019 Hamburg Open doubles draw, he and partner Julian Lenz upset compatriots Alexander and Mischa Zverev after saving two match points.

2021–2025: Major, top 200 and United Cup debuts, Challenger title

In March 2021, he won his first ATP Challenger singles title in Biella.

Masur qualified for the first time in his career for a Grand Slam main draw at the 2021 Wimbledon Championships. In November, he won the second 2021 Challenger Eckental title defeating Maxime Cressy. Following a third Challenger final in Bari, Italy he reached the top 200 at No. 183 on 29 November 2021.

Ranked No. 254, Masur was selected as the No. 2 singles player for team Germany at the 2025 United Cup. He replaced Alexander Zverev in the quarterfinals stage, after the world No. 2 pulled out due to injury.

Singles performance timeline

Key
WFSFQF#RRRQ#DNQANH

Current through the 2025 Davis Cup Qualifiers first round.

Tournament201720182019202020212022202320242025SRW–L
Grand Slam tournaments
Australian OpenQ1AAAQ1Q1AAA0 / 00–0
French OpenQ3AAQ1Q1Q3AA0 / 00–0
WimbledonQ1AANH1RQ3AA0 / 10–1
US OpenQ1AAAQ1Q2AA0 / 00–0
Win–loss0–00–00–00–00–10–00–00–00–00 / 10–1
Career statistics
Tournaments2200100005
Overall win–loss0–21–20–00–00–10–00–00–00–21–7
Year-end ranking34825825324518328942425413%

ATP Challenger finals

Singles: 4 (2–2)

ResultW–LDateTournamentSurfaceOpponentScore
Win1–0Mar 2021Biella, ItalyHard (i)Germany Matthias Bachinger6–3, 6–7(8–10), 7–5
Win2–0Nov 2021Eckental, GermanyCarpet (i)United States Maxime Cressy6–4, 6–4
Loss2–1Nov 2021Bari, ItalyHardGermany Oscar Otte5–7, 5–7
Loss2–2Mar 2024Lugano, SwitzerlandHard (i)Finland Otto Virtanen7–6(7–4), 4–6, 6–7(3–7)

Doubles: 14 (11–3)

ResultW–LDateTournamentSurfacePartnerOpponentsScore
Win1–0Sep 2016Alphen, NetherlandsClayGermany Jan-Lennard StruffNetherlands Robin Haase Netherlands Boy Westerhof6–4, 6–1
Win2–0Nov 2016Kobe, JapanHard (i)Croatia Ante PavićIndia Jeevan Nedunchezhiyan Indonesia Christopher Rungkat4–6, 6–3, [10–6]
Win3–0Sep 2019Glasgow, United KingdomHard (i)Belgium Ruben BemelmansUnited Kingdom Jamie Murray Australia John-Patrick Smith4–6, 6–3, [10–8]
Win4–0Nov 2019Maia, PortugalClayGermany Andre BegemannSpain Guillermo García López Spain David Vega Hernández7–6(7–2), 6–4
Win5–0Feb 2021Quimper, FranceHard (i)Belgium Ruben BemelmansUnited States Brandon Nakashima United States Hunter Reese6–2, 6–1
Win6–0Sep 2021Biel/Bienne, SwitzerlandHard (i)Belgium Ruben BemelmansSwitzerland Marc-Andrea Hüsler Switzerland Dominic Strickerw/o
Loss6–1Nov 2021Eckental, GermanyCarpet (i)Belgium Ruben BemelmansCzech Republic Roman Jebavý United Kingdom Jonny O'Mara4–6, 5–7
Win7–1Jan 2022Bendigo, AustraliaHardBelgium Ruben BemelmansFrance Enzo Couacaud Slovenia Blaž Rola7–6(7–2), 6–4
Win8–1Mar 2022Turin, ItalyHard (i)Belgium Ruben BemelmansNetherlands Sander Arends Netherlands David Pel3–6, 6–3, [10–8]
Win9–1Mar 2022Lugano, SwitzerlandHard (i)Belgium Ruben BemelmansSwitzerland Jérôme Kym Switzerland Leandro Riedi6–4, 6–7(5–7), [10–7]
Loss9–2Feb 2023Vilnius, LithuaniaHard (i)India Arjun KadheBelarus Ivan Liutarevich Ukraine Vladyslav Manafov0–6, 2–6
Win10–2Aug 2025Augsburg, GermanyClayGermany Benito Sanchez MartinezCzech Republic Jiří Barnat Czech Republic Filip Duda7–6(7–2), 6–2
Win11–2Sep 2025Istanbul, TurkeyHardSlovakia Miloš KarolGreece Stefanos Sakellaridis India Karan Singh7–6(7–2), 6–1
Loss11–3Jan 2026Nottingham, United KingdomHard (i)Slovakia Miloš KarolUnited Kingdom Charles Broom United Kingdom David Stevenson2–6, 6–7(5–7)

ITF Futures/World Tennis Tour finals

Singles: 18 (14–4)

ResultW–LDateTournamentSurfaceOpponentScore
Win1–0Jul 2014Belgium F6, KnokkeClayNorth Macedonia Dimitar Grabul7–6(8–6), 4–6, 7–6(8–6)
Win2–0Sep 2014Spain F28, SevillaClayArgentina Pedro Cachin7–5, 6–3
Win3–0Nov 2014Kuwait F2, MishrefHardSpain Roberto Ortega Olmedo7–6(7–5), 7–5
Win4–0Aug 2015Germany F13, UeberlingenClayChile Laslo Urrutia Fuentes6–1, 6–4
Win5–0Jan 2016Germany F1, SchwieberdingenCarpet (i)Germany Andreas Beck7–6(12–10), 6–7(11–13), 7–6(7–5)
Loss5–1Jun 2016Netherlands F2, BredaClayBelgium Joris De Loore2–6, 2–6
Loss5–2Aug 2016Poland F6, PoznańClayIndia Sumit Nagal4–6, 6–1, 3–6
Loss5–3Jan 2017Germany F1, NußlochCarpet (i)Germany Mats Moraing6–7(5–7), 6–7(5–7)
Win6–3Feb 2017Germany F16, HamburgHard (i)Germany Daniel Altmaier6–3, 3–6, 6–3
Win7–3Jan 2018Germany F1, SchwieberdingenCarpet (i)Germany Kevin Krawietz6–2, 7–5
Win8–3Aug 2019M25, Schlieren, SwitzerlandClayFrance Benjamin Bonzi6–4, 6–2
Win9–3Jan 2023M25, Nußloch, GermanyCarpet (i)France Matteo Martineau6–3, 2–6, 7–6(7–1)
Win10–3Feb 2023M15, Oberhaching, GermanyHard (i)Germany Rudolf Molleker7–6(7–4), 7–6(7–3)
Win11–3Jan 2024M15, Cadolzburg, GermanyCarpet (i)Republic of Ireland Michael Agwi6–3, 3–6, 6–4
Win12–3Jan 2024M25, Nußloch, GermanyCarpet (i)Germany Tom Gentzsch6–1, 6–3
Win13–3Feb 2024M25, Trento, ItalyHard (i)Italy Giovanni Oradini7–6(7–5), 6–3
Win14–3Feb 2026M25, Nußloch, GermanyCarpet (i)Latvia Kārlis Ozoliņš6–4, 4–6, 6–1
Loss14–4Mar 2026M25, Trimbach, SwitzerlandCarpet (i)Switzerland Dominic Stricker7–6(7–5), 3–6, 4–6

Doubles: 29 (21–8)

External links