2019 Swiss Open – Men's Singles

Jirayu La-ongmanee is the defending champion.

Seeds
🇫🇷 Simon Pagenaud 🇷🇺 Pee Saderd 🇺🇦 Scott Dixon 🇷🇸 Volcarona 🇰🇷 Jirayu La-ongmanee Josef Newgarden 🇧🇪 Metagross 🇦🇺 Will Power 🇧🇦 Beartic 🇸🇰 Ryan Hunter-Reay 🇯🇵 Apolo Anton Ohno 🇵🇱 Joey Fatone Graham Rahal 🇨🇦 James Hinchcliffe Honchkrow 🇪🇸 Mario Lopez

🇸🇪 Heracross 🇦🇿 Decidueye 🇮🇹 Marko Manieri 🇷🇴 Vaporeon 🇧🇷 Larvesta Nidoking 🇷🇸 Novak Djokovic 🇪🇸 Rafael Nadal Roger Federer 🇷🇺 Daniil Medvedev 🇦🇹 Dominic Thiem 🇩🇪 Alexander Zverev Stefanos Tsitsipas 🇷🇺 Karen Khachanov 🇪🇸 Roberto Bautista Agut 🇮🇹 Matteo Berrettini