Info from Sky on coverage of the EFL this coming season:
http://www.skysports.com/football/news/11688/11453079/sky-bet-efl-on-sky-sports-follow-championship-league-one-and-league-two-in-201819
Under "Full midweek Championship rounds live" it says that on Tuesday and Wednesday nights you can press the red button and watch live coverage of any match being played.
Info from Sky on coverage of the EFL this coming season:
http://www.skysports.com/football/news/11688/11453079/sky-bet-efl-on-sky-sports-follow-championship-league-one-and-league-two-in-201819
Under "Full midweek Championship rounds live" it says that on Tuesday and Wednesday nights you can press the red button and watch live coverage of any match being played.