(Photo credit: Danielle Parhizkaran-USA TODAY Sports)
Jakub Mensik of the Czech Republic and Christopher O'Connell of Australia each recorded an upset victory on Tuesday in the first round of the Qatar ExxonMobil Open in Doha.
The 18-year-old Mensik won 70 percent of his first serves to notch a 7-6 (3), 6-4 victory over fifth-seeded Alejandro Davidovich Fokina of Spain in 93 minutes. O'Connell, in turn, posted a 6-4, 6-4
