Answer: United States
Notes: Zhang Beiwen, a professional badminton player from America, has won the 4th edition of India Open Badminton tournament 2018 in New Delhi on February 4, 2018. In the final, she defeated Olympics and World Championships Silver medalist PV Sindhu by 21–18, 11–21, 22–20 at Siri Fort Indoor Stadium. It was the fifth meeting between Sindhu and Zhang and the head-to-head record now is 3-2 with Sindhu losing this match.
