GUADALAJARA, Mexico, June 11 (Reuters) - Czech ⁠Republic coach Miroslav Koubek praised his players for their effort in Thursday's World ⁠Cup opening loss to South Korea but said the better team won ‌and his side needed to add more bite to the attack to stay in the tournament.

South Korea rallied from a goal down to defeat the Czechs 2-1 in Group A, dealing Koubek's men their first ​loss after a string of six unbeaten matches.