Daniel Masur
Daniel Masur is a German professional tennis player.
Masur has a career high ATP singles ranking of world No. 203, achieved in June 2017.
Tennis career
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.Masur made his ATP main draw debut at the 2016 German Open – Singles in the doubles draw, partnering Cedrik-Marcel Stebe.
He won his first match on ATP-level as a qualifier at the 2018 German Open – Singles, 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.
ATP Challenger Tour finals
Doubles: 4 (4 titles)
| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1–0 | 2016 TEAN International – Men's Doubles| | Alphen, Netherlands | Clay |  Jan-Lennard Struff |  Robin Haase Boy Westerhof | 6–4, 6–1 |
| Win | 2–0 | 2016 Kobe Challenger – Doubles| | Kobe, Japan | Hard |  Ante Pavić |  Jeevan Nedunchezhiyan  Christopher Rungkat | 4–6, 6–3, |
| Win | 3–0 | 2019 Murray Trophy – Glasgow – Doubles| | Glasgow, United Kingdom | Hard |  Ruben Bemelmans |  Jamie Murray  John-Patrick Smith | 4–6, 6–3, |
| Win | 4–0 | 2019 Maia Challenger – Doubles| | Maia, Portugal | Clay | Andre Begemann |  Guillermo García López David Vega Hernández | 7–6, 6–4 |