Celtic rounded off their Austrian tour with a goalless draw in their friendly against Dukla Prague in Freistadt.
England goalkeeper Fraser Forster and Honduras left-back Emilio Izaguirre started their first games since the World Cup as a strong Hoops side continued preparations for the club's opening UEFA Champions League qualifier against KR Reykjavik on Tuesday in Iceland.
Teenager Eoghan O'Connell partnered Virgil van Dijk in central defence, while Derk Boerrigter was also handed a start and Kris Commons and Anthony Stokes played up front.
Stokes had some decent chances for Celtic and Michael Krmencik spurned some opprtunities for the Czech side but neither side could make the breakthrough.
Tony Watt made his first appearance of pre-season as a 78th-minute substitute.