Wales’ Under-20s clung on to defeat tournament hosts Argentina in the opening round of the U20s World Championship on Tuesday.

Leicester Tigers back-rower Tommy Reffell – who started in the No7 shirt – saw his side come from behind three times and weather a late fightback to beat the host nation 30-25 at the Racecourse Stadium in Rosario.

Cai Evans had given Wales a three-point lead with a penalty, but Wales fell behind with 11 minutes on the clock after loosehead prop Francisco Minervino dived over the top of a ruck to score.

Geronimo Prisciantelli converted, and then quickly added a penalty, to take the young Pumas’ lead to seven points.

Wales struck back through scrum-half Harri Morgan off the back of a scrum, and Evans nudged his side ahead with a penalty kick that took the score to 11 points to 10 at half time.

The hosts combined well for a strong team score dotted down by Rodrigo Isgro Mendoza after the break, before Wales hit back with another two Evans penalties.

Full-back Ignacio Mendy produced a wonder try to even the scores before Prisciantelli added the conversion, but it was Ryan Conbeer’s converted score with six minutes to go that effectively ended the contest, despite a late surge from the hosts.

Wales sit second in Pool A after France’s bonus-point victory over Fiji, and will face the table-toppers in their next game on Saturday, June 8.

Kick off is scheduled for 5.00pm UK time, with coverage available across World Rugby platforms.