Top-seeded Simona Halep recorded six aces while knocking off Romanian countrymate Elena-Gabriela Ruse 6-1, 6-2 on Wednesday in the first round of the Transylvania Open at Cluj-Napoca, Romania. Halep needed just 73 minutes to finish off Ruse, who committed six double faults without notching an ace. Halep won 25 of 30 first-serve points (83.3 percent). Second-seeded Anett Kontaveit of Estonia was a 6-3, 7-5 winner over Serbia's Aleksandra Krunic, while Romania's Jaqueline Cristian posted a 7-6 (5), 7-5 win over fifth-seeded Ajla Tomljanovic