Halep, Cadantu to meet in semis
Halep won three consecutive games to close out the first set at the Romai Tennis Academy after Babos failed to convert any of her four set points while leading 5-4.
Halep is looking for her third WTA title of the year, and said "it was a difficult match and I was a little bit tired."
Cadantu beat Shahar Peer of Israel 6-0, 7-5.
Scheepers defeated Danka Kovinic of Montenegro 4-6, 6-0, 7-6 (5), while Meusburger knocked out Annika Beck of Germany 6-4, 6-1.