After placing at the top in the RoboCup Humanoid League soccer world championship in Brazil last month, Tsinghua University's Hephaestus claimed gold in the 5v5 humanoid robot football match during the 2025 World Humanoid Robot Games, the first event of its kind globally. Here, we invite Chen Penghui, the team captain, to reveal how these award-winning robots outperform humans and share behind-the-scenes stories from their journey.