17-year-old Cici Bellis won her maiden WTA title in Hawaii on November 27, 2016.
STANFORD, CA - JULY 19: Catherine Bellis of the United States celebrates a win against Jelena Ostapenko of Latvia during day two of the Bank of the West Classic at the Stanford University Taube Family Tennis Stadium on July 19, 2016 in Stanford, California. (Photo by Lachlan Cunningham/Getty Images
Bellis triumphed at the Hawaii Open after she defeated Zhang Shuai in straight sets 6-4, 6-2.
On Monday, Bellis moved up the rankings to No. 75. She is the youngest player inside the top 100.