MANILA, Philippines — In the first-ever team-up of Southeast Asia’s rising tennis stars, Alex Eala and Janice Tjen held their ground to advance to the Abu Dhabi Open doubles quarterfinals. Eala and Tjen survived Leylah Fernandez of Canada and decorated French player Kristina Mladenovic in three sets, 7-5, 3-6, 10-6, on Wednesday (Philippine time) in