Stanislav Koval, a native of Uzhhorod, Ukraine, attended Uzhhorod National University. He signed for Ukrainian side Kolos Kovalivka in 2019 before going on loan to FC Polissya Zhytomyr and FC Podillya Khmelnytskyi, making 34 appearances and scoring 5 goals. After returning to Kolos Kovalivka in 2022, he made 1 appearance and scored 1 goal. In 2022, he joined St. Louis City SC 2 in the MLS Next Pro, where he spent 2 seasons. Stanislav scored 11 goals in 9 games during his first season with Cleveland SC, including a 2-goal debut on May 25, 2024, against Niagara 1812. He returns to the squad for the 2025 season after a standout campaign.