2019 Dubai Tennis Championships – Men's singles

Roberto Bautista Agut was the defending champion, but lost in the second round to Nikoloz Basilashvili.

Roger Federer won his 8th Dubai title, and 100th ATP singles title overall, defeating Stefanos Tsitsipas, 6–4, 6–4, in the final. Federer became the second male tennis player in history after Jimmy Connors in 1983 to win 100 ATP singles titles.

Following his run to the final, Tsitsipas entered the top 10 in the ATP rankings for the first time in his career, becoming the first Greek player to achieve this feat.

Seeds
• #🇯🇵 Kei Nishikori (second round)

• # Roger Federer (champion)

• # Marin Čilić (first round)

• #🇷🇺 Karen Khachanov (first round)

• # Stefanos Tsitsipas (final)

• # Borna Ćorić (semifinals)

• #🇨🇦 Milos Raonic (first round)

• #🇷🇺 Daniil Medvedev (first round)

Seeds
• # 🇧🇾 Ilya Ivashka (qualifying competition, lucky loser)

• # 🇮🇹 Thomas Fabbiano (qualified)

• # 🇨🇿 Jiří Veselý (qualifying competition, lucky loser)

• # 🇱🇹 Ričardas Berankis (qualified)

• # 🇫🇷 Corentin Moutet (qualified)

• # 🇫🇷 Antoine Hoang (qualifying competition)

• # 🇧🇾 Egor Gerasimov (qualified)

• # 🇧🇦 Mirza Bašić (qualifying competition)

Qualifiers
• # 🇫🇷 Corentin Moutet

• # 🇮🇹 Thomas Fabbiano

• # 🇧🇾 Egor Gerasimov

• # 🇱🇹 Ričardas Berankis

Lucky losers
• # 🇧🇾 Ilya Ivashka

• # 🇨🇿 Jiří Veselý