Elena Baltacha has suffered a major setback in her bid to break into the top 100 in world.

After crashing out in qualifying at last week's WTA event in Stanford, the Scottish number one again came up short in the WTA Tour event in Los Angeles.

Given a favourable draw, the world number 107 loast 6-4 4-6 5-7 to American wildcard Lindsey Nelson, a player ranked just 816th.

Baltacha struggled with her serve against the left-hander but held match point at 5-4 in the third set before letting it slip.