duo Takuro Hoki and Yugo Kobayashi in the final. The final was held on Setiawan's birthday, making him the oldest player to have won a World Championships title at the age of 35 years and 0 days. These results also took them to move up to second place in the BWF rankings. Later in the final of the China and Denmark Opens, they became runner-ups again after losing to Gideon and Sukamuljo. Setiawan and Ahsan have never won a match against Gideon and Sukamuljo in the last 5 meetings in 2019. In the final of the Hong Kong Open, they lost to the Korean pair of Choi Sol-gyu and Seo Seung-jae. At the end of the year, Setiawan and Ahsan defeated Hiroyuki Endo and Yuta Watanabe, 24–22, 21–19 in straight games to win the BWF World Tour Finals. 2020–2022: First Thomas Cup title Setiawan and his partner, Mohammad Ahsan opened the 2020 season as semi-finalists in the Malaysia Masters. They then reached the finals of the Indonesia Masters, but still were unable to overcome Gideon and Sukamuljo and lost in straight games. At the All England Open, the duo were unable to defend the title after losing in the quarter-finals to Hiroyuki Endo and Yuta Watanabe. In January 2021, Setiawan and Ahsan competed at the 2020 Asian Leg tournament held in Thailand. They first reached the quarter-finals in the Yonex Thailand Open, and then finished as semi-finalists in the Toyota Thailand Open. The duo qualified to play at the BWF World Tour Finals, and reached the final after being able to avenge the defeat to the Korean pair Choi Sol-gyu and Seo Seung-jae from the Yonex Thailand Open, but lost the finals to the Chinese Taipei pair Lee Yang and Wang Chi-lin who previously beat them at the Toyota Thailand Open. In July 2021, Setiawan made his third appearance at the Summer Olympics, at Tokyo 2020. Competing with Mohammad Ahsan as the 2nd seeds, he finished fourth after being defeated by Malaysia's Aaron Chia and Soh Wooi Yik in the bronze medal match. In October, at Aarhus, Denmark, Setiawan finally added the Thomas Cup to his grand list of achievements, where the Indonesian team beat China in the final 3–0, claiming Indonesia's first title in 19 years. Their best results in the rest of 2021 season were reaching the quarter-finals in the French Open and the Hylo Open. Setiawan and