The Belgian duo will challenge the N.2 seeded pair made up of Spaniard Marcel Granollers and Argentinian Horacio Zeballos, who both occupy 3rd place in the world in doubles, for a place in the quarter-finals.
The Belgian Davis Cup pair won the ATP Masters 1000 tournament in Monte-Carlo in mid-April, their first victory in a Masters 1000. However, both players remain eliminated in the first round of the ATP 250 tournament in Munich.
Gillé and Vliegen are participating in the Madrid tournament for the second time after reaching the semi-finals in 2021.
