It was victory on opening night of the Premier League International Cup for Radhi Jaïdi's youngsters, as they saw off Dinamo Zagreb 1-0 at Staplewood Campus.
Sam Gallagher settled the tie with a first-half header, but Saints were dominant throughout, and made light work of their Croatian counterparts.
Under-23s coach Jaïdi was especially pleased with the work rate of his young side in the aftermath of a physical encounter, as well as their organisation off the ball, meaning another clean sheet for spectator stopper Jack Rose.
"In football, wins are important," Jaïdi concluded. "But also the clean sheet, so overall it was a good performance from our boys.
"We coped really well with all the opposition's threats. When we pressed them they went direct, we won the first and second balls. When they tried to play out we blocked the passing lines.
"We could have played quicker in possession, but we still created enough chances. One goal was enough.
"Everyone worked together, especially off the ball. Jack Rose had a rest really.
"The past five games, including pre-season, we've had all clean sheets. Overall, it's really positive, the boys did everything we asked of them.
"The application was high and I'm really pleased with that."