Belarus defeated Finland 1-0 in their Nations League encounter on Tuesday, with Trafim Melnichenka coming off the bench to feature in the second half.
The FC Porto B forward was introduced in the 62nd minute as Belarus held on to secure all three points and move to seven points in the group.
The victory leaves Belarus level on points with Finland, while both sides remain two points behind group leaders Albania.
Melnichenka will now return to FC Porto B as he resumes preparations with the Portuguese side ahead of their Segunda Liga clash against Leixões.
Porto B are scheduled to face Leixões on Saturday at 3:30pm as they continue their league campaign.