Alina Kovaleva (St. Petersburg, RCF) lost 4-2 to Silvana Tirinzoni (Aarau, SUI) in the Final of the LGT World Women's Curling Championship, held April 30 - May 9, 2021 in Calgary, Alberta. Advancing directly to the semifinals, Kovaleva won 8-7 over Anna Hasselborg (Sundbyberg, SWE) to advance to the championship game. of the 2021 LGT World Women's Curling Championship in Calgary, Alberta; of the 2021 LGT World Women's Curling Championship in Calgary, Alberta;
 
Kovaleva finished 11-2 in the 0-team qualifying round. . In their opening game, Kovaleva defeated Daniela Jentsch (Fuessen, GER) 8-4, then won 8-7 against EunJung Kim (Gangneung, KOR) and 8-5 against Stefania Constantini (Trentino, ITA). Kovaleva won 8-7 against Kerri Einarson (Gimli, CAN), then won 8-6 against Marie Turmann (Tallinn, EST) and 7-5 against Madeleine Dupont (Hvidovre, DEN). Kovaleva won 6-5 against Sayaka Yoshimura (Sapporo, JPN), then won 8-4 against Yu Han (Beijing, CHN) and 10-8 against Hasselborg. Kovaleva went on to lose 7-5 against Anna Kubeskova (Prague, CZE). Kovaleva lost 8-6 to Tirinzoni where Kovaleva responded with a 9-8 win over Eve Muirhead (Stirling, SCO). Kovaleva won 7-3 against Tabitha Peterson (Chaska, USA) in their final qualifying round match.
 
Kovaleva ranks 138th overall on the Year-to-Date rankings with 0.000 points earned so far this season.