Complex sentence: She then lost in the first round of Charleston to Greek Eleni Daniilidou in three sets then was forced to retire in a match against Italian Karin Knapp in a tier III event in Budapest, Hungary in the first round whilst playing in the third set.
Split into simpler sentences: She then lost in the first round of Charleston to Greek Eleni Daniilidou in three sets. She was then was forced to retire in a match against Italian Karin Knapp in Budapest, Hungary in the first round in the third set.