In addition to attracting the attention of the audience with their strong strength, players can also impress fans with their own personal characteristics or “tricks”. “Sky Hook” and Japanese women’s singles bronze medalist Mima Ito at the Tokyo Olympics are also known as “mysterious serve” because they spin like a dance while serving. On the table tennis court, not only Mima Ito’s serving posture is surprising, but Dimitrij Ovtcharov from Germany once made the list of the 50 best inventions of “Time Magazine” in 2008 with his unique “submarine serve” (Top 50 best inventions of the year).