"I have had a good rest and watched football a lot".
Emery added that he will select a "mix" of youngsters and first-team players against Blackpool, who are now 12th in League One.
Blackpool beat QPR 2-0 in the third round to set up a meeting with Arsenal, but lost 3-2 to local rivals Fleetwood on Saturday.
The home side continued cruising until Guendouzi saw red for a second booking shortly thereafter ('56) before proceedings were further disrupted when Paudie O'Connor headed home a corner to pull one back for the Tangerines ('66).
It could well leave the Gunners somewhat unstable, particularly in the wide areas, if the two full-backs fail to recover in time-and with the likes of Mohamed Salah and Xherdan Shaqiri showing impressive form of late.
After those comments, Arsenal finally explained to the Welshman why he would not be offered a new deal at the weekend - a decision that the Mail say was in line with the Gunners' long-term interests over financial health. Here are the player ratings from the 2-1 win.