2020 RPM Open – Singles

The men's singles of the 2020 RPM Open tournament took place on clay in Prague, Czech Republic.

This was the first edition of the tournament.

Aslan Karatsev won the title after defeating Tallon Griekspoor 6–4, 7–6(8–6) in the final.

Seeds
All seeds receive a bye into the second round. • # Stan Wawrinka (quarterfinals, withdrew)

• # 🇫🇷 Pierre-Hugues Herbert (third round)

• # 🇰🇷 Chung Hyeon (second round)

• # 🇩🇪 Yannick Maden (third round)

• # 🇧🇪 Kimmer Coppejans (second round)

• # 🇸🇰 Martin Kližan (second round)

• # 🇫🇷 Arthur Rinderknech (quarterfinals)

• # Ernests Gulbis (third round)

• # 🇦🇹 Sebastian Ofner (quarterfinals)

• # 🇨🇦 Steven Diez (second round)

• # 🇬🇧 Jay Clarke (second round)

• # 🇺🇦 Sergiy Stakhovsky (third round)

• # Robin Haase (quarterfinals)

• # 🇸🇰 Filip Horanský (second round)

• # Botic van de Zandschulp (third round)

• # 🇰🇿 Dmitry Popko (semifinals)