Wales' interim head coach Rob Howley has praised his players for putting a "tough week" behind them by beating Argentina at the Principality Stadium.
Wales ended a run of five successive Test match defeats by edging out the Pumas 24-20.
Second-half tries from Liam Williams and scrum-half Gareth Davies made the difference as Wales bounced back from last weekend's defeat against Australia to kick-start their autumn campaign.
"From our perspective, it's been a tough week, and to turn around and win against a Rugby Championship side, the players can be very proud and pleased with their victory," Howley said.
Wales had not won a game since the final day of last season's RBS 6 Nations Championship, when they defeated Italy.