• Comprehensive review of TENG-based smart sports, covering physiological monitoring, training performance, refereeing, and injury prevention/rehabilitation.
• Integration of TENG technology with AI/ML enhances data analysis and decision-making in sports, enabling energy-autonomous and digitally intelligent systems.
• TENGs address limitations of conventional wearables by providing self-powered, flexible, and cost-effective solutions for motion sensing.
• The review outlines future challenges and opportunities, emphasizing the potential of TENGs to drive sustainable and efficient evolution of intelligent sports.