DUBAI, Feb 20 : Ukraine's Elina Svitolina kept up her recent winning run against Coco Gauff as she edged the American 6-4 6-7(13) 6-4 on Friday to set up a final showdown with Jessica Pegula at the Dubai Tennis Championships. Pegula shook off a first-set stumble to defeat fellow American Amanda Anisimova 1-6 6-4 6-3 in the other semi-final. Svitolina secured her second consecutive victory over the world number four in a gruelling three-hour encounter, having previously beaten Gauff in straight