Tomáš Macháč defeated Ugo Humbert the final, 6–4, 6–7(2–7), 6–2 to win the men's singles tennis title at the 2026 Adelaide International. It was his second ATP Tour title.
Félix Auger-Aliassime was the reigning champion, but did not participate this year.
Seeds The top four seeds received a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying Seeds
Qualifiers
Lucky loser
Draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main draw Qualifying draw