Just on battle.net ad list so sure everyone saw it.
https://tespa.org/news/20121072/bring-the-heat-in-the-overwatch-summer-series
Each weekly tournament will award the following prizes to all 6 competing finalists (as well as Coordinators of any Primary Teams) as credit to their Battle.net account balance:
First Place: $40 USD
Second Place: $20 USD
Third Place: $10 USD
Discord