Gerkens made his professional debut for
Genk at 28 November 2013 in a
UEFA Europa League game against
Dynamo Kyiv as an 88th-minute substitute. At 1 December 2013, he made his league debut against
Oud-Heverlee Leuven. Three days later, he was a starter in the
Belgian Cup against
Mechelen. After 61 minutes, he was replaced for
Anthony Limbombe. On 12 June 2023, Gerkens signed a four-year contract with
Gent. For the 2025–26 season, Gerkens joined
Cercle Brugge on loan with an option to buy. ==Career statistics==