2019 Ilkley Trophy – Men's singles

Sergiy Stakhovsky was the defending champion but chose not to defend his title.

Dominik Köpfer won the title after defeating Dennis Novak 3–6, 6–3, 7–6(7–5) in the final.

Seeds
All seeds receive a bye into the second round. • # 🇦🇺 Jordan Thompson (withdrew)

• # 🇫🇷 Ugo Humbert (quarterfinals)

• # 🇷🇴 Marius Copil (third round)

• # 🇺🇿 Denis Istomin (second round)

• # 🇩🇪 Yannick Maden (second round)

• # 🇪🇸 Marcel Granollers (quarterfinals)

• # 🇨🇿 Jiří Veselý (third round)

• # 🇧🇷 Thiago Monteiro (second round)

• # 🇦🇹 Dennis Novak (final)

• # 🇵🇱 Kamil Majchrzak (semifinals)

• # 🇫🇷 Grégoire Barrère (third round)

• # Jason Jung (third round)

• # 🇫🇷 Antoine Hoang (quarterfinals)

• # 🇮🇹 Salvatore Caruso (second round)

• # 🇸🇪 Mikael Ymer (third round)

• # 🇮🇹 Gianluca Mager (second round)