Anna Chakvetadze earns an instant break in her first Grand Slam semi-final against 2004 champion Svetlana Kuznetsova

Things go from bad to worse for world number four Kuznetsova as she suffers further breaks on her way to losing the first set

But things start to go awry for Chakvetadze after she misses break points early in the second set

Kuznetsova takes advantage of her opponent's slump in form as she reels off 12 of the last 13 games to seal victory

Chakvetadze is distraught as she leaves Arthur Ashe Stadium following a 3-6 6-1 6-1 defeat

Justine Henin begins her much-anticipated semi-final against Venus Williams in spectacular style

But Williams fights back after saving three set points to force a tie-break in the first set

It's Henin who dominates the breaker, finding some breathtaking winners as she wraps up the first set

Williams drops serve straight away in the second set and looks to heading for defeat

Williams battles on to level at 3-3 and then gets three chances to go up a break but she cannot convert

Henin fails to serve out the match but makes amends in the next game by breaking Williams for a 7-6 (7-2) 6-4 victory