Alizadeh rowing Hudson, would cross the line in 4th place clocking a time of 7:34.96, the result sees Alizadeh heading to the Repechage which will take place tomorrow.
Alizadeh finished 30 seconds behind the Heat Winner Trevor Jones from Canada, with Mindaugas Griskonis from Lithuania in second and Onat Kazakli from Turkey finished third.
Alizadeh got off to a fantastic start, but at stages in the race, Alizadeh decided to save some for the Repechage as the front three extended their lead.
Alizadeh will take to the line tomorrow for the Men's Single Sculls Repechage 2 Race.