Verstraeten won one of the bronze medals in the boys' 55 kg event at the 2014 Summer Youth Olympics held in Nanjing, China.

In 2018, Verstraeten was eliminated by Eric Takabatake of Brazil in his second match in the men's 60 kg event at the World Judo Championships held in Baku, Azerbaijan.

He won one of the bronze medals in the men's 60 kg event at the 2020 European Judo Championships held in Prague, Czech Republic.

[3][4] In 2021, Verstraeten competed in the men's 60 kg event at the Judo World Masters held in Doha, Qatar.

[8] He lost his bronze medal match in the men's 60 kg event at the 2023 World Judo Championships held in Doha, Qatar.