Junior Springboks beat France 16-5 in Tbilisi to become back-to-back champions as Scotland match best-ever fifth and USA claim historic first win.
France take on defending champions South Africa in Saturday's JWC final as all 16 teams compete for final placings across two days in Georgia.
Wales make 13 changes to face Uruguay as South Africa chase a record eighth straight JWC win against hosts Georgia in Tbilisi on Thursday.
South Africa begin their JWC title defence against Uruguay as Wales face hosts Georgia in Tbilisi. "We are not dwelling on past achievements," says Kubheka.
