[3] The following month, he was part of Kenya's squad for the 2018 ICC World Cricket League Division Three tournament in Oman.
[4] In May 2019, he was named in Kenya's squad for the Regional Finals of the 2018–19 ICC T20 World Cup Africa Qualifier tournament in Uganda.
[5][6] In September 2019, Karim was included in Kenya's squad for the 2019 ICC T20 World Cup Qualifier tournament in the United Arab Emirates.
[8] In November 2019, he was named the captain of Kenya's squad for the Cricket World Cup Challenge League B tournament in Oman.
[9][10] In October 2021, he was named in Kenya's squad for the Regional Final of the 2021 ICC Men's T20 World Cup Africa Qualifier tournament in Rwanda.