In the manga series "Blue Lock," the stakes of winning or losing a match are quite high as they directly impact the future of the players involved. Winning a match in Blue Lock can lead to opportunities for the players to advance in the program, gain recognition, and potentially be scouted by professional teams. On the other hand, losing a match can result in being eliminated from the program, facing criticism from coaches and peers, and potentially jeopardizing their chances of pursuing a professional soccer career.