Zhou has represented Canada at international team competitions since 2014. She made her debut at the Women's Chess Olympiad in Tromsø in Norway, where she played on the fourth board behind Yuanling Yuan, Natalia Khoudgarian, and Alexandra Botez. She scored 6½/9 as Canada finished 41st out of 136 teams with a team score of 13 points (–4=1). Later in the year, Zhou also took part in the under-16 Chess Olympiad in Győr, Hungary. Playing on the reserve board, Zhou did not fare well, scoring 2½/6 and losing 52 rating points. Her team overall fared better, finishing in fifth place. At the 2016 Women's Chess Olympiad in Baku in Azerbaijan, Canada produced an identical score to rank 39th out of 139 teams. Zhou played on the top board ahead of Yuan, Botez, and Lali Agbabishvili, but had a poor performance, scoring 4½/10 and losing 60 rating points. Zhou's best Women's Chess Olympiad performance came in 2018 in Batumi, Georgia. Canada again produced an identical score to rank 38th out of 150 teams. Zhou played on the second board behind Agnieszka Matras-Clement and ahead of Ouellet and Svitlana Demchenko, scoring 7/10 and gaining 20 rating points.