Belgium's Davif Goffin (2nd R) , Pierre-Hugues Herbert (R) of France, Robin Haase (L) and Matwe Middelkoop (2nd L) of the Netherlands pose with their trophies after the ATP Qatar Open Tennis tournament doubles final at the ATP Qatar Open Tennis tournament in Doha, capital of Qatar, Jan. 4, 2019. (Xinhua/Nikku)