The following description comes from the event organizer.

The National Women’s Soccer League and LIGA MX Femenil today announced a historic new partnership connecting two of the world’s top women’s soccer leagues. As part of the groundbreaking collaboration, the two leagues will compete in the first-ever NWSL x LIGA MX Femenil Summer Cup. The tournament will feature all 14 NWSL clubs and the six teams with the most points achieved in LIGA MX Femenil Clausura and Apertura during 2023, including Tigres UANL, Club América, Chivas de Guadalajara, Rayadas de Monterrey, Pachuca and Tijuana. 

Kicking off on July 19, the 33-match tournament will consist of 30 group stage contests, followed by a four-team semifinal round slated for the week of August 4. The championship match will take place the weekend of October 25-27.   

NWSL x LIGA MX Femenil Summer Cup will feature five groups, including four groups of three NWSL clubs and one LIGA MX Femenil club, and one group with two clubs from each league. Each participating club will compete in a minimum of three matches. Reign FC will compete in Group A, alongside fellow NWSL clubs Portland Thorns FC and Utah Royals, in addition to Liga MX side Tijuana. 

Seattle Reign FC NWSL x LIGA MX Femenil Summer Cup Group Stage Schedule:  

Friday, July 19 – 6:00 p.m. PT – Seattle Reign FC vs. Utah Royals FC – Lumen Field 

Sunday, July 28 – 3:00 p.m. PT – Seattle Reign FC vs. Tijuana – Lumen Field 

Wednesday, July 31 – 7:00 p.m. PT – Portland Thorns FC vs. Seattle Reign FC – Providence Park