I guess Maleeva decided that 'If you can't win a game off them, join them!' Perhaps Conchita felt bad after last week and asked her to play doubles. It'd be weird though, playing doubles with a person who has drubbed you 6-0 6-0 only at the last event.
A man may fight for many things. His country, his friends, his principles, the glistening ear on the cheek of a golden child. But personally, I'd mud-wrestle my own mother for a ton of cash, an amusing clock and a sack of French porn.