Therese Westman/Robin Ahlberg (Stockholm, SWE) lost 7-4 to Tori Koana/Go Aoki (Yamanashi, JPN) in the Final of the Mixed Doubles Karlstad, held October 9 - 12, 2025 in Karlstad, Sweden. To advance to the championship game, Westman/Ahlberg won 7-6 over Zixuan Ye/Sen Yu (Beijing, CHN) in the semifinals of the 2025 Mixed Doubles Karlstad in Karlstad, Sweden; and won 7-3 over Li Jun Zhang/Zhi Yu Wang (Beijing, CHN) in the quarterfinals. of the 2025 Mixed Doubles Karlstad in Karlstad, Sweden;
 
Westman/Ahlberg finished 3-1 in the 14-team qualifying round. . In their opening game, Westman/Ahlberg defeated Berfin Sengul/Bilal Omer Cakir (Erzurum, TUR) 9-7, then won 9-1 against Ye/Yu. Westman/Ahlberg went on to lose 9-5 against Kristin Moen Skaslien/Magnus Nedregotten (Oslo, NOR). Westman/Ahlberg responded with a 10-5 win over Katrina Gaidule/Roberts Buncis (Riga, LAT) in their final qualifying round match.
 
With their runner-up finish at the Mixed Doubles Karlstad, Westman/Ahlberg take home 24.750 world rankings points along with the $1,500CDN prize. For week 12 of the event schedule, Westman/Ahlberg did not improve upon their best events, remaining at th place on the World Ranking Standings with total points. Westman/Ahlberg ranks th overall on the Year-to-Date rankings with points earned so far this season.