The Kingdom's ace took the opening set from her 336th-ranked opponent 7-5 but faded away 3-6 1-6 after two hours and eight minutes of baseline battle. Luksika has failed in her attempts to book a berth in the main draw of this year's US Open and Wimbledon, leaving her best result in a major as second-round appearances in the Australian Open in 2013 and 2014. Luksika's loss in New York means Varatchaya Wongteanchai is the lone Thai standing. The Thai No 2 will open her campaign against Laura Pous Tio of Spain.