Swiss veteran Stan Wawrinka has advanced to the last 16 of the Dubai Duty Free Tennis Championships, beating Lebanon’s Benjamin Hassan 7–5, 6–3.
The 40-year-old will next face either third seed Daniil Medvedev or China’s Shang Juncheng.
Elsewhere, France’s Giovanni Mpetshi Perricard snapped his five-match tour-level losing streak with a 7–6, 6–7, 7–6 victory over Tunisian wildcard Moez Echargui.

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