Jonathan de Guzman's brilliant double will have given Netherlands manager Louis van Gaal a timely nudge.
Swansea's uncapped midfielder struck twice in the space of 23 second-half minutes, with a superb textbook curling free-kick followed by the finishing gloss on a sensational team goal.
Now the Canadian-born De Guzman, who has represented the Netherlands at U-21 level, believes he has staked his claim for a debut senior call-up for next month's Italy friendly.
"I'm happy, it's going well and I've scored six goals," he said. "If there is an opportunity I would love to stay."
Swansea warmed up in perfect fashion for the second leg of their League Cup semi-final against Chelsea on Wednesday night, in which they hold a 2-0 advantage
Fellow Stoke striker Kenwyne Jones' future is uncertain after he was the subject of a £3m bid from Swansea last week. The bid was rejected, but a move to the Welsh side is expected this week.