in the men's doubles with Kido or in the mixed doubles with Russkikh. His best performance at that year was only as semi-finalists in the men's doubles at the Indonesia, Japan and Denmark Open; as well as being semi-finalists in the mixed doubles at the All England Open. Setiawan and Kido then competed at the Southeast Asian Games, helping the Indonesia men's team to defend their gold medal. In the men's doubles event however, Setiawan and Kido failed to defend their title, winning a silver medal after losing to Mohammad Ahsan and Bona Septano in the final. Setiawan-Kido then closed the 2011 season ranked as world number 10. In 2012, apart from competing with Kido in the men's doubles, Setiawan also played in the mixed doubles with new partner Vita Marissa. Setiawan and Marissa started their debut in Europe tour in February-March, but gave undesiring results after losing in the early rounds at the German, All Angland and Swiss Opens. His best achievements with Marissa were reaching the quarter-finals at the Singapore Open. In men's doubles, Setiawan and Kido clinched the men's doubles title at the Australia and Singapore Open. However, they did not obtain enough points to compete at the 2012 Summer Olympics in London. Setiawan then splitted up with Kido at the end of 2012. Later, Setiawan decided to rejoin the Indonesia national training center, and paired up with a new partner, Mohammad Ahsan, which he had previously been paired with in team competitions and international tournaments. They made their individual event debut at the Denmark Open, and finished as the semi-finalists after being defeated by Shin Baek-cheol and Yoo Yeon-seong of Korea. 2013–2016: Second World Championships, first All England, second Asian Games and third World Championships title In 2013, Setiawan and Mohammad Ahsan won their first title as a pair in the Malaysia Open, beating the Korean pair of Ko Sung-hyun and Lee Yong-dae in the final. They later won five tournaments in a row, starting in the Australia Open in April; the Indonesia and Singapore Opens in June, with another victory against Ko and Lee in both tournaments; the BWF World Championships in August; and later at the Japan Open in September. At the World Championships, they won the title without dropping a single set to their opponents on the way to the final. Their winning streak were then stopped by Ronald Alexander and Selvanus Geh