While Hearts were busy putting six goals past Inverness Caley Thistle in the Premier Sports Cup, their next opponents, Rapid Vienna, went two better.
The Austrian Bundesliga leaders warmed up for Thursday's Conference League play-off first leg at Tynecastle with an 8-0 demolition of Grazer AK.
Danish striker Tonni Adamsen scored four of the goals, with Ercan Kara grabbing an early double.
Nenad Cvetkovic and Yusuf Demir also found the back of the net at the Allianz Stadium.
Rapid Vienna enjoy a 100% record this season, winning all three of their league outings and registering big European victories against Santa Coloma and Paide Linnameeskond.