Claim: Hungarian Challenger Open planned to have four tournaments between 2016 and 2019, Filippo Baldi is the most recent winner.
Evidence: Belarus Aliaksandr Bury
Sweden Andreas Siljeström 2016 2017 2018 2019 Croatia Dino Marcan
Austria Tristan-Samuel Weissborn Canada Félix Auger-Aliassime
Spain Nicola Kuhn Germany Kevin Krawietz
Slovakia Filip Polášek Italy Filippo Baldi
Switzerland Luca Margaroli