Born in Switzerland, Pickel is of Congolese and Swiss descent.[12] Pickel played one international game for the Swiss U-15. He played his debut for the Swiss U-18 as midfielder on 2 September 2014 as they drew 2–2 with the Swedish U-18. He played his debut for the Swiss U-19 as defender on 1 September 2015 as they drew 1–1 with Portugal U-19.[13] His last game for the Switzerland U-20 was on 27 March 2018 in the away game against Italy U-20, where Pickel played as right-back and the Swiss won 3–2. Pickel was called up to the DR Congo national team for a set of 2023 Africa Cup of Nations qualification matches in September 2023.[14] He debuted with them in a 2–0 win over Sudan on 9 September 2023, assisting his side's first goal.[15] Honours
Loan: Alfie Gilchrist, 20 year old Chelsea defender but also sought by the plastics, Leeds and a shovel full of others.