THE prestigious Hong Kong 7s title is the only silverware that is missing from their cabinet.And it will be the mission of the inform Blitzboks to break their 20-year losing jinx at the Hong Kong stadium.
South Africa previously won the Las Vegas tournament and has proven statistically to be the in-form team.
"Hong Kong is always special and it is the only tournament that we have not won for the past 20 years," he said. "This time we hope that luck will be on our side.."
Treu regarded the tournament as the biggest in the HSBC Sevens World Series.
"Hong Kong is regarded as the best tournament in the world. It is the biggest tournament, it is where everything started, we have won every tournament but this is the only one that we have not won.
"It has eluted us for the past 20 years ever since the first world cup," he said.
South Africa plays their opening game against Argentina on Friday night before taking on Wales and Australia later on.
South Africa could face Fiji in the cup quarter-finals if Treu's men finish as runners-up in Pool A and Fiji win Pool D.