Wales open up against Thailand at midday on Saturday, following with Scotland three hours later and then have a four-hour gap before playing against the Springboks.
On April 27 and 28 Wales will compete in the Malaysia Sevens in a pool containing New Zealand, Canada and Malaysia.
The current squad:
Club: Newport Position: Flanker Birthplace: Carmarthen Born: 29.10.80 Height: 6'0''/1.82m Weight: 15st 0lb/95kg IRB 7s Experience: Middlesex 7s, Brisbane, Wellington, Beijing, Hong Kong
Club:Llanelli Position: Flanker Birth: 5/9/81 Born: Carmarthen Height: 6'2''/1.87m Weight: 15st 2lb/96kg First International Debut: 1998 against England U16's at Twickenham.Other International Experience: Represented Wales at U16, U18, U19, U21 IRB 7s experience: Hong Kong 7s 2001 Career Highlights: Playing in the Hong Kong 7s 2001
Club: Newport Position: No8 Birth: 19/08/81 Born: Bridgend Height: 6'3''/1.90m Weight: 14st 3lbs/90kg International Experience: Represented Wales U18, U19, U21
Club: Llanelli Position: Scrum Half Birth: 29/8/82 Born: Carmarthen Height: 6'6''/1.90m Weight: 13st 5lbs/85kg First International Debut: Wales U21 against France U21 2002 Other International Experience: Wales U21s, Triple Crown 2002 IRB 7s experience: Argentina/ Chile
Career highlights: Winning the Triple Crown with Wales U21
Club: Swansea Position: Full Back Birth: 07/01/82 Born: Neath
Height: 6'2''/1.87m Weight: 13st 5lbs/85kg First International debut: Wales Youth U18 Other International Experience: Represented Wales U19, U21
Career highlight: winning Triple Crown with Wales U21
Club: Ebbw Vale Position: Wing Birth: 21/12/79 Born: Newport, South Wales Height: 6'1''/ 1.85m Weight: 13st 12lbs/88kg International Experience: Welsh Schools and Youth U18 and U19, Represented Wales U19 (part of FIRA squad) and U21
Club: London Wasps Position: Outside half Birth: 21/3/81
Born: Carmarthen Height: 6ft/1.83m
Weight: 14st/89kg International Experience: Represented Wales U18, U19, U21 Career highlight: Winning BUSA Cup
Club: Cardiff/Rumney Position: Centre Born: Cardiff
Birth: 20/11/80 Height: 6ft 2''/1.88m
Weight: 86kg/13st 10lb International debut: Durban 7s IRB 7s experience: Dubai, Chile, Argentina Career highlights: All the 7s tournament and WRU Youth Final
Position: Full Back/Wing Birthplace: Wales Born: 10.10.78 Height: 1.78m Weight: 80kg IRB 7s Experience: Cwmtawe 7s, Dubai, Durban, Chile, Argentina, Australia, New Zealand, China and Hong Kong
Club: Cardiff Born: U.A.E
Height: 1.92m/6'4'' Position: Wing
Birth: 12/12/81 Weight: 90kg/14st 0lb
First International Debut: Welsh U18
Other International Experience: Wales U21 IRB 7s experience: Argentina/Chile
Career highlights: Winning Triple Crown with the U21
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s
Alongside Scarlets flanker James Davies and Cardiff Blues centre Cory Allen, three Wales Sevens core players have made the extended training squad for GB Sevens. Wales Head coach Gareth Williams tells WRU TV's Graeme Gillespie why Luke Treharne, Sam Cross and Luke Morgan earned selection in the initial training squad for Rio.
Wales Sevens head coach Gareth Williams tells WRU TV's Graeme Gillespie he has had to overcome a number of injuries before naming a competitive squad for this weekend's penultimate round of the World Series in Paris.
Merthyr were officially crowned champions of the SSE SWALEC Championship at Dowlais on Saturday where captain Andy Powell paid tribute to his side who have earned promotion to the Principality Premiership
Coleg y Cymoedd's season has had a spectacular ending with victory in two cup finals and a massive victory over one of the best rugby playing schools in the world - Welsh coach Warren Gatland's old alma mater, Hamilton Boys' High School.
WRU chief executive Martyn Phillips hosted the second meeting of the WRU Youth Board last weekend ahead of the Judgement Day IV regional double-header. Tthe board, made up of 15 under-21-year-olds from around Wales, heard presentations from head of participation Ryan Jones, policy and integrity manager Jeremy Rogers and national women's rugby manager Caroline Spanton, with Pro Rugby Wales CEO Mark Davies also on hand to hear the range of views aired.
Wales duo Rhun Williams and Liam Belcher, who makes a welcome return after five months of injury woe, look ahead to next month's World Rugby U20 Championship in Manchester where they will face Ireland, Georgia and New Zealand.