9-21, 13-21, in the quarter-final match. Two months later, Park entered the Chinese Taipei Grand Prix Gold Open, which is held in the last week of August, and was beaten by Muhammad Hafiz Hashim from Malaysia, 15-21, 18-21, again in the quarter-final match. Two weeks later, Park was to be defeated again in the quarter-final matches of the Li Ning China Masters Super Series in Changzhou, China (to 4th seed badminton ace Lin Dan of China, 15-21, 21-13, 21-23), and the Japan Open Super Series (to Indonesian, Taufik Hidayat, 21-12, 26-28, 15-21). In November, Park participated in the Yonex Sunrise Hong Kong Open and lost 15-21, 16-21, against Hong Kong player, Chan Yan Kit, in the second round. Park's next event was the China Open Super Series, held in Shanghai, China, where he reached the semi-final round and lost to the 2009 World Badminton Championships champion, Lin Dan; the final score was 10-21, 11-21. 2010 Park entered the Super Series tournament of the Korea Open, which is held in January, and was eliminated in the quarter-final stage by Denmark's Peter Gade, 21-17, 16-21, 20-22. Park then lost 16-21, 17-21, to Du Pengyu from China in the first round of the Malaysia Open. In March, at the All England Open, Park lost in the second round, 5-21, 10-21, to 6th seed, Bao Chunlai of China, after defeating Japan's Sho Sasaki, 21-13 21-11, in the opening round. The All England Open was followed by the Wilson Swiss Open, held at the Basel Stadium in Switzerland, and after defeating Lithuania's Kestutis Navickas, 21-13, 21-13, in the opening round, Park lost to Dane, Peter Gade, in straight games: 15-21, 16-21. In May, Park returned to Malaysia for the 2010 Proton Thomas & Uber Cup Finals, held in the capital city, Kuala Lumpur. Park again was beaten by China's Lin Dan, 18-21, 23-25, in the second round and had conceded one point for his team. In the quarter-final match, Park played against Dan once again and lost 16-21, 15-21. Meanwhile, his team members also lost to the other Chinese players. The final score was 0-3 in favour of the Chinese team. In August, Park's entered the 2010 BWF World Championships, where he made it through to the semi-final, registering a win against Lin Dan, 21-13 21-13, in the quarter-final. However, Indonesia's Taufik Hidayat later defeated Park with a score of 10-21, 20-22, in the last