Guy Den Ouden defeated Jelle Sels in the final of the ATP Challenger tournament in Dobrich on clay on 14 September 2024. The match result secured Den Ouden's first Challenger title, marking a significant milestone in his career progression. The victory comes as Den Ouden continues to build momentum on the challenger circuit, where consistency on clay surfaces has become a notable strength. This triumph will provide Den Ouden with valuable ranking points and confidence heading into the remainder of the season.