As Manager Oliver Glasner confirmed in his pre-match press conference, the Ivory Coast international – who put pen-to-paper on an initial loan deal until the end of the season on Friday evening – will not be available for selection at the City Ground.
But our new No. 29 was still plenty busy on his first day at Copers Cope, meeting his new teammates and getting stuck into the Eagles' training ahead of the trip to the City Ground.
You can enjoy some of the best behind-the-scenes video and images of Guessand's first day at the club, plus images from this week's pre-Forest training, above and below.