The 29 year old has not had much success during his time with the Latics and is hoping to be released from his contract.
Martinez is unlikely to stand is Kapo's way as the former Juventus and Auxerre forward seeks to find a new home.
Speaking to L'Equipe, Kapo said: "I should know more in a few days' time. My agent should be meeting the management at Wigan. I hope we can reach an agreement so that they release me.
"My wish is to stay in Ligue 1, as simple as that. I enjoy this league. I'm making this decision for my children too. I want them to have a quality education in France." CLICK HERE FOR THE MESSAGEBOARD