Group 1 - The 2026 Spring Festival will feature the "Legendary Tennis Stars Cup" and the "One Ball to Win Tennis Grand Prix" in Shanghai from February 18 to 21, showcasing a unique blend of professional and amateur tennis [1][8] - The event will include 6 legendary tennis players and 8 popular tennis enthusiasts, along with 512 amateur players, creating a grand tennis carnival [1][3] - Ticket sales for the event will start on January 28, with prices starting as low as 80 yuan, making it accessible for a wide audience [5] Group 2 - The highlight of the event will be the "Legendary Tennis Stars Cup" taking place on February 20 and 21, featuring renowned players such as Del Potro, Tsonga, and Barty [3] - The "One Ball to Win Tennis Grand Prix" will kick off the event on February 18, offering a champion's prize of 1 million yuan, emphasizing equal opportunity and gender balance in competition [7][8] - The event aims to stimulate Shanghai's economy during the Spring Festival and fill the gap in sports events during this period, promoting cultural and tourism integration [8]