Re: Romania's Finest, Raluca Olaru!
I'm pretty sure that I read in an interview she gave after having lost in Wimbledon QR1 last year that it's not possible for her to maintain a singles career at that point, simply because her body wouldn't allow it.
She might fill up some q-draws in the future when too many players pulled out before, but that's it.
Not to mention that she is far away from a position in singles that would allow her to make a living (rusty footwork, error-prone forehand motion, total lack of depth..). Focusing on doubles is the best option for her.