Naomi Osaka, a rising tennis star who won the Australian Open and No.1 in women’s singles ranking, gets more sponsors. She won her first title when she competed and won against Serena Williams in the 2018 United States Open. Yonex’s sports business which is also known in tennis made a professional contract with Osaka too. It resulted in making more contracts with junior tennis players. An official from Yonex advertising department said that they are hoping that the rising number of children taking an interest in tennis will increase sales. An expert in tennis believes that the sponsorship will increase not just for individuals but also for tournaments.