Pitters made his professional debut on 18 March 2017 as a cruiserweight, scoring a four-round points decision (PTS) victory over Remigijus Ziausys at the Holte Suite in Villa Park, Birmingham.
[2] he secured three more PTS victories in 2017; Over Jevgenijs Andrejevs in June;[3] Dmitrij Kalinovskij in September;[4] and Jiri Svacina in November.
[11][12] Following his success in the Ultimate Boxxer, Pitters kicked off 2019 with a first-round KO victory against Norbert Szekeres in March[13] and a six-round PTS win against Dmitrij Kalinovskij in May.
The bout took place on 14 September 2019 at the York Hall in London, with Pitters defeating Spelman via UD over ten rounds to capture his first professional title.
[15] Pitters was scheduled to challenge Daniel Blenda Dos Santos for his European light heavyweight title at Canon Medical Arena in Sheffield, England on February 7, 2025, and won with a second-round TKO.