Qian Tianyi's Technical Focus: Enhancing Backhand Power for Main Team Performance Improvement
2026-01-26Qian Tianyi, the Chinese professional tennis player, has been focusing on enhanc
Qian Tianyi Technical Improvement Task: Enhance Backhand Attack to Boost Main Team Performance
2025-12-27# Qian Tianyi Technical Improvement Task: Enhance Backhand Attack to Boost Main
