Over the given period, the Russian armed forces have repelled two attacks by Ukrainian troops around Donetsk, two attacks in the Krasny Liman area and another one South of Donetsk.
"The enemy lost up to 290 military personnel, two armored fighting vehicles and four vehicles [near Donetsk]," the MoD said in a statement.
Ukraine has also lost up to 260 soldiers in the Krasny Liman area and up to 130 in the Kupyansk region, the MoD added.