Hyoma Chigiri's speed becomes a critical asset in matches because it allows him to outmaneuver his opponents, quickly reach the ball, and execute fast-paced attacks or defensive moves. His speed enables him to cover the court effectively, anticipate his opponent's shots, and apply pressure by forcing them to react hastily. Overall, Hyoma Chigiri's speed gives him a competitive advantage by allowing him to control the pace of the game and dictate play during matches.