https://www.techradar.com/news/costa-rica-vs-serbia-live-stream-how-to-watch-todays-world-cup-match-online

Costa Rica will go up against Serbia on Sunday, June 17 at Samara Arena in Samara, Russia. The stadium, which is also known as Cosmos Arena due to its metal dome inspired by space exploration, began construction in 2014 and was completed earlier this year. 

The Costa Rica vs Serbia match is set to kick-off at 3pm local time (so 1pm BST, 8am ET, 5:m PT, 10pm AEST). Fans in Costa Rica can watch the match at 6am and Serbian fans can tune in at 2pm.