Japan know they will need all their wits about them against the experience of two-time champions South Africa in Tokyo on Sunday.
Once labelled too small to play for the Springboks and told to consider a shift to scrumhalf if he wanted to play top-level rugby, the 25-year-old has silenced his critics with his electrifying pace and nimble side-stepping.
Rory McIlroy stoked the fires by saying he used a rivalry mentality to help him win the season-ending Tour Championship at East Lake at the end of August.
Imbokodo claimed the Rugby Africa Women's Sevens crown in Tunisia after edging Kenya 15-14 on Sunday.
The race, which starts a week earlier than usual on 27 June to accommodate the Tokyo Olympics, has eight mountain stages and three hilly stages and should suit the 2019 champion Egan Bernal and his Ineos teammate Chris Froome.
England eased to a 6-0 victory over their hosts in the Bulgarian capital on Monday but the game was blighted by offensive chants, forcing the match to be halted twice in the first half.
Cristiano Ronaldo has lost count of the number of records he has broken, the Portugal forward said after scoring the 700th goal of his career during a 2-1 defeat to Ukraine on Monday.
The Wallabies face a confident England, whose pack are one of the best in the tournament, in the first quarterfinal in Oita on Saturday.
The match at the Vasil Levski stadium was temporarily halted by the referee in the first half under a three-step UEFA protocol to tackle racist abuse from the crowd.
Ronaldo missed several chances in the second half before a Taras Stepanenko handball in the area, which saw the midfielder sent off as it resulted in a second yellow card, earned Portugal a penalty in the 72nd minute.
