Medvedev, the 2021 US Open champion, had misplaced his previous six finals, together with in Halle earlier this yr.
His defensive play type and frequent outbursts on court docket had led some to surprise if his capacity to compete on the prime degree was over.
However the 29-year-old has made adjustments in current weeks, making an effort to return to the online and play aggressively, backed up by an improved serve.
He got here again from a break down within the first set towards the difficult Moutet, successful 4 of the ultimate 5 video games to take the lead.
The pair exchanged breaks within the second set earlier than Moutet, bidding for his first ATP Tour title, took management to drive a decider.
Moutet saved 4 early break factors in a good third set earlier than Medvedev broke to fifteen to serve for the match.
Fittingly, Medvedev secured victory with some extent on the web, with Moutet unable to manage a volley after two hours and 38 minutes.
