The pair have both been struggling with injuries and, although they took part in a training session yesterday, they are still doubtful for the Johannesburg clash. Olsen said in Jyllands-Posten: "We must decide whether to risk them in the first game. Should we bet everything? We have come a long way with them but the question is whether it is far enough."
Highly-rated defender Kjaer suffered a knee injury in a friendly against Senegal on 27 May while Arsenal striker Bendtner has been dogged by a thigh problem. Denmark have other injury worries to contend with as goalkeeper Thomas Sorensen is still recovering from the dislocated elbow he sustained playing for Stoke in April.
Captain Jon Dahl Tomasson's bid to end his 13-match scoreless run, meanwhile, is not being helped by a groin problem.