Until 5 p.m., Thursday, March 30, fans can try to win tickets to see Elton's June 4 show at The Valley.
This is the first time in three decades that the Addicks have staged a major musical event: The last instance was The Who, headlining in '74 and '76.
For those who'd prefer to purchase tickets, they range from 40-100 pounds. The higher price ranges are for seats on the pitch, while the lower are for spots in the north and north-west upper stands.
There's a limit of six per customer, and there is also a limited number of premium hospitality packages. Details about the latter are available by ringing up 020-8333 4040.
And tickets can be had by contacting Ticketmaster on 0871 230 4426; See Tickets on 0870 161 2123, or Ticketline on 0870 444 5556.