Will Kimi Raikkonen be fit to race in South Korea on October 6 or will his sore back be just a touch too much?INGAPORE, Malaysia - Kimi Raikkonen admitted after Sunday's (Sept 22) Singapore Formula 1 GP that back pain nearly kept him out of the Singapore GP... and could put him in doubt for the next race in South Korea.He finished third in the race after intense physiotherapy and he made it to the podium behind Sebastian Vettel and Fernando Alonso.Afterwards the 33-year-old Finn, who will move to Ferrari in 2014, said it was "not for sure" that he'd make the next race.'WE'LL HAVE TO SEE...'"I didn't feel it too much but obviously it's not ideal. Yesterday was pretty bad, I almost didn't drive," he said. "I think we have to be happy with that and hope there's no problems for the next race but it's not the first time and I know I have some work to do before the end of the year."Asked if he would be fit for South Korea, Raikkonen said: "Not for sure. We have to see."Raikkonen's back pain was said to have been caused by a flare-up of a long-standing problem that dates back to a crash during in 2001.