Originally posted by Faunus
No he didn't. If you're referring to the Battle of Hypori, she was taken out in mere seconds, and he was exhausted, surprised, and terrified as is. If it's the final CWC sequence that you're talking about, Shaak Ti managed to lose when the General was using one lightsaber.
In the CWC...I think its just after the Battle of Hypori, when the Jedi are in a cave and Grievous comes. Ki and Ti go two on one versus the General, and Mundi gets taken out easily and first, leaving Ti on her own to deal with him (and she actually holds out for a decent amount of time).