For the 2017 season, he moved to the Port Elizabeth-based Eastern Province Kings, playing for their Under-19 team in the 2017 Under-19 Provincial Championship.
[2] In 2018, Tshakweni was included in the South Africa Under-20 squad for the 2018 World Rugby Under 20 Championship held in France.
[3] He played off the bench in all three of South Africa's matches in Pool C of the competition, featuring in victories over Georgia[4] and Ireland,[5] and scored a try in their final pool match, a 29–46 defeat to the hosts.
[8] After the Under-20 competition, Tshakweni joined the Pretoria-based Blue Bulls on a short-term deal for the remainder of the 2018 season,[9] and appeared for the Blue Bulls U21 side in the 2018 Under-21 Provincial Championship, scoring a try in his side's 149–13 victory over Eastern Province U21.
[10] In November 2018, he returned to Port Elizabeth, where he was drafted into the Southern Kings' Pro14 squad.