Bertens beat Laura Pous-Tio of Spain 7-5, 6-0 to notch her first WTA title.
Bertens was among the tournament qualifiers but lost just one set during the entire week.
Bertens double-faulted twice and won just 46 percent of her second-serve points in the first set but roared back in the second by winning 80 percent of her second-serve points and 80 percent of first-serve points.
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