2019 Hungarian Open – Singles

Marco Cecchinato was the defending champion, but withdrew due to illness.

Matteo Berrettini won the title, defeating Filip Krajinović in the final, 4–6, 6–3, 6–1.

This is the first ATP Tour-level appearance of future Australian Open champion and world No. 1 Jannik Sinner. He lost in the second round to Laslo Đere.

Seeds
The top four seeds received a bye into the second round. • # Marin Čilić (second round)

• # Borna Ćorić (quarterfinals)

• #🇮🇹 Marco Cecchinato (withdrew)

• # Nikoloz Basilashvili (quarterfinals)

• #🇷🇸 Laslo Đere (semifinals)

• #🇦🇺 John Millman (second round)

• #🇰🇿 Mikhail Kukushkin (first round)

• #🇲🇩 Radu Albot (second round)

Seeds
• # 🇷🇸 Miomir Kecmanović (qualified)

• # Lloyd Harris (qualified)

• # 🇷🇸 Filip Krajinović (qualified)

• # 🇩🇪 Yannick Maden (qualified)

• # 🇺🇦 Sergiy Stakhovsky (qualifying competition, lucky loser)

• # 🇩🇪 Matthias Bachinger (qualifying competition, lucky loser)

• # 🇨🇿 Lukáš Rosol (first round, retired)

• # 🇧🇾 Egor Gerasimov (qualifying competition, lucky loser)

Qualifiers
• # 🇷🇸 Miomir Kecmanović

• # Lloyd Harris

• # 🇷🇸 Filip Krajinović

• # 🇩🇪 Yannick Maden

Lucky losers
• # 🇺🇦 Sergiy Stakhovsky

• # 🇩🇪 Matthias Bachinger

• # 🇧🇾 Egor Gerasimov

• # 🇮🇹 Jannik Sinner