Kidambi won the Indonesia Super Series beating Japan's Kazumasa Sakai 21–11, 21–19, thereby becoming the first ever Indian male player to do so. He went on to win the Australian Super Series beating China's Chen Long 22–20, 21–16 in the final, setting an Indian record for entering three consecutive Super Series Finals. At the World Championships, he was defeated in the quarter-final by South Korea's Son Wan-Ho in straight games. At the next Super Series, the Denmark, he won the title defeating Lee Hyun-il of Korea 21–10, 21–5 in the final. Following his good run, Kidambi became the fourth player ever to win four Super Series titles in a year, after he won the French Super Series that followed, defeating Japan's Kenta Nishimoto 21–14, 21–13 in the final. In the process, he equalled the record held by Lee Chong Wei, Lin Dan, and Chen Long. Following the victory, he reached his career-best world ranking of 2.
