ROME, May 13 : Three-times champion Iga Swiatek was at her ruthless best as she dismantled American fifth seed Jessica Pegula 6-1 6-2 on Wednesday to set up a semi-final showdown at the Italian Open with Elina Svitolina. Ukrainian Svitolina fought back from a set down to knock out second seed Elena Rybakina 2-6 6-4 6-4. Polish fourth seed Swiatek followed up her emphatic win over Naomi Osaka in the previous round with yet another one sided victory. Against Pegula, she raced to a 5-0 lead before