Tony Watt earned his first senior cap as Scotland defeated the Czech Republic on Thursday evening.
The Rovers striker was a second half substitute in Prague, replacing Fulham's Ross McCormack on 78 minutes.
The friendly international was settled by Ikechi Anya's goal after 10 minutes.
Adam Henley was an unused substitute in Cardiff as a last minute penalty earned Wales a 1-1 draw with Northern Ireland.
Craig Cathcart had given the visitors the lead on the hour mark before Simon Church netted from the spot a minute from time.
It was a disappointing evening for Darragh Lenihan's Republic of Ireland Under-21 side as they went down 4-1 at home to Italy in their UEFA U21 Qualifier.
Captained by the Rovers midfielder, the Irish started brightly, taking the lead on 16 minutes when a Jack Byrne free-kick deflected into the back of the net.
However that would be as good as it would get as the group leaders bounced back to level on 28 minutes through Marco Benassi. A further goal before half-time courtesy of a Valerio Rosseti header put the visitors in control.
By the hour it was 3-1 as defender Alessio Romagnoli fired home, and the tie was wrapped up in the closing stages when a shot from Romagnoli rebounded off a post and Lenihan to find the back of the net.
The Irish Under-21s are back in action on Monday when they travel to take on Slovenia.