Auckland, Jan. 8 -- : World No.7 Coco Gauff produced a dominating performance to clinch her first title of the season at the ASB Classic, as she defeated Span's Rebeka Masarova in Sunday's final in Auckland, New Zealand.

Gauff's straight-set victory over Masarova 6-1, 6-1 capped off a dominant week for the 18-year-old American.

Gauff, who was the top seed in Auckland, played well despite unpredictable weather and rain that plagued the city all week. To keep the tournament going, matches were shifted to indoor courts.

However, the rain held off on Sunday as Gauff prepared to take on No. 130 Masarova, who had a stellar week that saw her reach her maiden WTA final. The 23-year-old Spaniard beat No. 2 seed Sloane Stephens and Karolina Mucho...