US Open champion Emma Raducanu eased into the Transylvania Open quarter finals with a 6-3, 6-4 win over Ana Bogdan in the second round here on Thursday.

Raducanu followed up her maiden WTA Tour win over Polona Hercog — a battling three-set victory on Tuesday — with a much improved performance against Bogdan and looked steady on serve, winning 87.5 per cent of her first serve points.

Simona Halep defeated Elena-Gabriela Ruse 6-1, 6-2 in the opening round.