The promotion/relegation play-offs are contested by the teams finishing in positions 3 to 6 in the 2023–24 Challenger Pro League, who meet in a knockout tournament with both semi-finals and a final over two legs and the highest season finisher always having home advantage in the return leg. The winner of the final plays the 14th place finisher of the 2023–24 Belgian Pro League over two legs. The Belgian Pro League team has home advantage in the return leg, the winner of the barrage will play in the 2024–25 Belgian Pro League, the loser in the 2024–25 Challenger Pro League.
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