Auger-Aliassime had two chances to wrap up his seventh career singles title in straight sets, but was ultimately pushed to the limit in a 6-2, 6-7(7), 7-6(2) win.

Aleksandar Kovacevic, Ekaterina Alexandrova and Ann Li scored upset wins in Montpellier, Linz and Singapore.

The fourth seed trailed Aleksandar Kovacevic by a set and 5-1 before inspiration struck.

The second-round match between No. 3 seed Flavio Cobolli and Jesper de Jong was twice interrupted as heavy rains in the area resulted in an in-arena blackout.

The world No. 10 launched his clothing brand in 2023, with the inaugural drop raising more than $150,000 for children with critical health needs.