In his rookie season, he won the Belgian League Most Promising Player Award.

[4] With Oostende, Kesteloot won the Belgian Pro Basketball League three consecutive seasons.

On 2 July 2019, Kesteloot signed a two-year contract with Telenet Giants Antwerp.

[6] On 1 October 2022 he signed with USC Heidelberg of the Basketball Bundesliga.

[7] Kesteloot represented Belgium at the 2015 FIBA Europe Under-20 Championship.