After three good performances had all ended in narrow defeats, Wales Under-19's crashed out by 49-0 to a fit and strong South Africa Schools team at Ellis Park, Johannesburg.
Played as a curtain-raiser to the South Africa-Australia Tri-Nations match, it was the home side who rose to the occasion.
Wales were behind at 8-0 when centre Stephen Ireland (Cardiff) was sin-binned for a tackle that also saw South Africa given a penalty try.
South Africa raced away in the second half to score 34 points without reply, though the Welsh pack battled hard to no avail.
Coach Dai Rees said afterwards: "South Africa is a notoriously difficult place to come to and win, but we asked for a tough itineray and that's what we got.
"We now know what a huge challenge we will have in the Junior World Cup next Easter."
The WRU has launched a campaign to create a long term legacy for Welsh club rugby by highlighting the advantages of volunteering. Rhian Edwards, a volunteer at Seven Sisters, has enjoyed many benefits of her volunteering at a grassroots rugby club including being part of the Rugby World Cup volunteer workforce after being nominated by the WRU - and the WRU is asking for more people to develop their 'Welsh rugby roots'.
Wales head coach Warren Gatland and captain Sam Warburton say their first prioirty on Sunday in the opening game of the World Cup is to win against Uruguay and not get overly concerned with points difference.
With only days to go until the biggest rugby competition in the world begins, rugby fans visiting Cardiff this autumn will be able to enjoy a special display at National Museum Cardiff as part of the celebrations surrounding the Rugby World Cup.
Geraint John has taken up the new role of WRU elite coach development manager having arrived in Wales last week. WRU TV caught up with him at the WRU rugby department's strategy day at the Millennium Stadium.