2019 Swiss Open – Men's Singles Qualifying

Players who neither didn't receive main draw wildcards nor have high rankings for the main draw participate in a qualifying tournament prior to the Swiss Open.

Seeds
🇺🇸 Frances Tiafoe 🇮🇹 Lorenzo Sonego 🇫🇷 Ugo Humbert 🇸🇮 Aljaž Bedene João Sousa 🇪🇸 Feliciano López (First round) 🇦🇺 Jordan Thompson (First round) 🇪🇸 Pablo Andújar (First round) 🇫🇷 Pierre-Hugues Herbert 🇰🇿 Mikhail Kukushkin 🇬🇧 Kyle Edmund 🇭🇺 Márton Fuscovics 🇮🇹 Marco Cecchinato 🇮🇹 Andreas Seppi 🇸🇪 Mikael Ymer 🇧🇴 Hugo Delien

🇦🇷 Federico Delbonis Nicolás Jarry 🇮🇹 Jannik Sinner 🇩🇪 Philipp Kohlschreiber 🇪🇸 Roberto Carballés Baena 🇯🇵 Yasutaka Uchiyama 🇫🇷 Grégoire Barrère 🇫🇷 Corentin Moutet 🇮🇹 Stefano Travaglia 🇺🇸 Steve Johnson 🇪🇸 Jaume Munar 🇪🇸 Alejandro Davidovich Fokina 🇰🇷 Kwon Soon-woo 🇧🇷 Thiago Monteiro (First round) 🇺🇸 Tommy Paul 🇦🇷 Leonardo Mayer