Over the given period, the Russian armed forces have repelled three attacks by Ukrainian troops around Krasny Liman and two attacks in the Donetsk area.
"The enemy lost up to 290 military personnel, three armored combat vehicles, including one US-made M113 armored personnel carrier and 17 vehicles [around Donetsk]," the MoD said in a statement.
Ukraine has also lost up to 270 soldiers in the Krasny Liman region and over 100 soldiers South of Donetsk, the MoD added.