On the fourth day of the competitions Belarusian swimmers won four medals. Anastasiya Shkurdai claimed silver in the women's 100m backstroke, Viktar Staselovich was third in the men's 50m backstroke, Alina Zmushka clinched bronze in the women's 100m breaststroke, and Ilya Shimanovich and Ruslan Skamaroshka took silver in the 4x100m medley.