in may 2015 she won the chinese women's chess championship in xinghua. the following month, tan won the 5th china women masters tournament with 7/9, a full point ahead of second-placed lei tingjie. in august 2015, she won the asian women's rapid championship in al ain. on december 1, 2015, tan zhongyi won the 1st china chess queen match, a knockout tournament held in taizhou, zhejiang, after defeating ju wenjun in the final in an armageddon game.