Gaoyuan Lin

On July 3, 2011, in the 2011 ITTF Tour Korea Open men's singles semi-finals, Lin Gaoyuan lost 2-4 to South Korea's Lee Sang-soo and won the men's singles third place. On July 10, in the men's doubles final of the 2011 ITTF Japan Open, Lin Gaoyuan/Wu Jiaji defeated the Japanese pair Matsudaira Kenta/Niwa Takuma 4-1 to win the championship. On July 23, Lin Gaoyuan played for the Chinese team in the men's team final of the 2011 Asian Youth Table Tennis Championships, helping the Chinese team defeat the Japanese team with a total score of 3-0 and win the championship. On October 20, Lin Gaoyuan played for the Guangzhou team in the men's table tennis final of the 7th City Games of the People's Republic of China. In the end, the Guangzhou team lost to the Baoding team 1-3 and won the runner-up. On October 23, Lin Gaoyuan won the bronze medal in the men's singles table tennis competition at the 7th Urban Games of the People's Republic of China. On November 15, in the men's team competition of the 2011 World Youth Table Tennis Championships, Lin Gaoyuan defeated Yoshimura Masaharu 3-1 in the first set, and defeated Niwa Takuma 3-1 in the fourth set. In the end, the Chinese team defeated the Japanese team 3-1 to win the men's team championship. On November 21, in the men's singles final of the 2011 World Youth Table Tennis Championships, Lin Gaoyuan lost 2-4 to Takahiro Niwa and won the men's singles runner-up.

On February 26, 2018, Lin Gaoyuan won the men's championship in the 2018 Table Tennis World Cup Team Tournament with the Chinese team.

On January 29, 2020, in the 2020 German Table Tennis Open mixed doubles 1/8 finals, Lin Gaoyuan/Sun Yingsha lost 1-3 to Mizutani Jun/Ito Mima. On February 1, in the men's singles semi-finals of the 2020 German Table Tennis Open, Lin Gaoyuan lost to Xu Xin 0-4 . On February 2, in the men's doubles final of the 2020 German Table Tennis Open, Lin Gaoyuan/Ma Long lost 2-3 to the Korean combination Zhao Dacheng/Zhang Yuzhen and won the runner-up. On March 6, in the first round of the men's singles match of the 2020 ITTF World Tour Qatar Open, Lin Gaoyuan lost 3-4 to Belarusian player Samsonov. On August 21, in the men's team final of the National Table Tennis Team Tokyo Olympic Simulation Tournament, the second team consisting of Liang Jingkun, Wang Chuqin and Lin Gaoyuan lost 0-3 to the men's team consisting of Ma Long, Xu Xin and Fan Zhendong and won the men's team runner-up. On October 4, in the men's team final of the 2020 National Table Tennis Championships, the Guangdong team composed of Lin Gaoyuan, Zhou Qihao and Zhang Chao defeated the Beijing team 3-2 and won the championship.

In May, Lin played the China Olympic Scrimmages, but he lost to Fang Bo in the group stage of the first leg. Lin lost 4–1 to Fan Zhendong in the quarter-finals of the second leg of the Chinese Olympic Scrimmage.

On February 21, 2023, in the mixed doubles final of the first qualifying tournament for the Durban World Table Tennis Championships, Lin Gaoyuan/Chen Xingtong defeated Yu Ziyang/Sun Mingyang 3-1 to win the championship.