Keep in mind that you can't play games out of order in the Final Stage. You have to play the games from game 1 to game 7.
#21. b) For Game 4 in Group Stage and Game 5 in Final Stage, each team must select two pairs of players to play simultaneous 2v2 games. The teams that currently is in the lead reveals their teams A and B first. The other team then reveals their own. In the mentioned games, the teams will face each other as follows: Team 1 A vs Team 2 B, Team 2 A vs Team 1 B. If the score is 1:1, the winners will then play against other. If a team doesn't have enough players to form two 2v2 teams, the game they're unable to play counts as an admin loss.
Rules update on July 30th:
#21. b) For Game 4 in Group Stage and Game 5 in Final Stage, each team must select two pairs of players to play simultaneous 2v2 games. The teams that currently is in the lead reveals their teams A and B first. The other team then reveals their own. In the mentioned games, the teams will face each other as follows: Team 1 A vs Team 2 B, Team 2 A vs Team 1 B. If the score is 1:1, the winners will then play against other. If a team doesn't have enough players to form two 2v2 teams, the game they're unable to play counts as an admin loss.