South Africa 7s 10 - 22 Japan 7s, Hong Kong
Japan came up with a four try performance as they defeated South Africa by 10-22 in the final in Hong Kong and secure a berth in the Women's Sevens series.
Nadine Roos and Zenay Jordaan scored a try each to take South Africa to a 10 point lead at half time. Japan showed more intent in the second half through Chisato Yoko and Ano Kuwai, who crossed over to bring Japan into the lead of two points.
Mayu Shimizu and Honoka Tsutsumi dented South Africa's hopes further with two more tries to complete a 12 point victory and also helping them seal a spot in Women's Sevens series.
Earlier, Japan defeated China 28-14 in the quarter-final and followed it up with a win over of 0-31 over Italy in the semi-final.
Meanwhile, South Africa entered the finals with a 29-7 triumph over Papua New Guinea followed by 17-7 win over Belgium in the semis.
Japan captain Chiharu Nakamura said her team wanted to prove a point after losing the core status earlier.
"We're happy to win and we wanted to win. We want to play the top level teams on the series and now we will. We will enjoy tonight!
"I'm really proud of the girls and they worked really hard. Every game was very tough for us so thank you to everyone who supported us."