Wales ended almost two years of heartbreak by claiming their first victory since the 2023 Rugby World Cup with a 31-22 win over Japan in Kobe.
Wales' woes deepened on Saturday as Japan handed them an 18th straight defeat, edging a tightly contested first Test 24-19 in Kitakyushu.
The United Rugby Championship playoffs are now confirmed, with eight teams from across Ireland, South Africa, Scotland and Wales all locked in for the quarterfinals on 30 and 31 May.
A 30-man Stormers squad left Cape Town on Tuesday for a vital two-match United Rugby Championship tour in Wales and Ireland over the next fortnight.
Wales were made to count the cost of a disastrous first 60 minutes after Scotland claimed a 35-29 victory in the Six Nations on Saturday.
Ireland remain on course for a Six Nations Grand Slam but survived a huge scare against a much-improved Wales before completing a 27-18 victory at the Principality Stadium in Cardiff.