2016 Geneva Open – Singles

Thomaz Bellucci was the defending champion, but lost in the second round to Federico Delbonis.

Stan Wawrinka won the title, defeating Marin Čilić in the final, 6–4, 7–6(13–11).

Seeds
The top four seeds receive a bye into the second round. • # Stan Wawrinka (champion)

• #🇪🇸 David Ferrer (semifinals)

• # Marin Čilić (final)

• #🇺🇸 John Isner (second round)

• #🇩🇪 Philipp Kohlschreiber (withdrew)

• #🇦🇷 Federico Delbonis (quarterfinals)

• #🇺🇸 Steve Johnson (second round)

• #🇺🇸 Sam Querrey (first round)

Seeds
• # 🇷🇺 Evgeny Donskoy (qualified)

• # Marco Chiudinelli (first round)

• # 🇩🇪 Florian Mayer (qualifying competition, lucky loser)

• # 🇦🇹 Michael Linzer (first round)

• # 🇮🇹 Lorenzo Giustino (first round)

• # 🇷🇺 Ivan Nedelko (first round)

• # 🇨🇿 Michal Konečný (first round)

• # 🇨🇴 Nicolás Barrientos (first round)

Qualifiers
• # 🇷🇺 Evgeny Donskoy

• # 🇩🇪 Andreas Beck

• # Cristian Garín

• # 🇪🇸 Roberto Ortega Olmedo

Lucky losers

 * 1) 🇩🇪 Florian Mayer