The draw will be made at 1pm and streamed live from Thailand, and is regionalised for the first round games.
The Millers are ball number 12 and will face one of the following:- 18. Accrington Stanley; 19. Blackpool; 20. Bury; 21. Carlisle United; 22. Chesterfield; 23. Coventry City; 24. Crewe Alexandra; 25. Doncaster Rovers; 26. Grimsby Town; 27. Lincoln City; 28. Mansfield Town; 29. Morecambe; 30. Notts County; 31. Oldham Athletic; 32. Port Vale; 33. Shrewsbury Town; 34. Walsall.
Games will be played week commencing Monday, August 7 2017.