Both men and women's action continued at the Mutua Madrid Open. Who was Tuesday's MVP?

These are the Top 5 photos from today. (All photos Getty)

1

Elise Mertens

The Belgian notched her sixth Top 5 victory with a gutsy 4-6, 7-5, 7-5 win over third-seeded Simona Halep to secure a quarterfinal berth.

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Top 5 Photos, 5/4:
Berrettini routs
compatriot Fognini

Top 5 Photos, 5/4: Berrettini routs compatriot Fognini

2

Matteo Berrettini

In an all-Italian clash, Berrettini bested Fabio Fognini, 6-3, 6-4, leveling their head-to-head series to 1-1. Next up for the No. 8 seed is Albert Ramos Vinolas, who battled past Taylor Fritz, 7-5, 5-7, 6-4.

Top 5 Photos, 5/4:
Berrettini routs
compatriot Fognini

Top 5 Photos, 5/4: Berrettini routs compatriot Fognini

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3

Andrey Rublev

Down a set against Tommy Paul, the sixth-seeded Russian clawed his way back, 6-7 (5), 6-3, 6-4, to book a ticket to the round of 16.

Top 5 Photos, 5/4:
Berrettini routs
compatriot Fognini

Top 5 Photos, 5/4: Berrettini routs compatriot Fognini

4

Aryna Sabalenka

The fifth seed was unstoppable today against Jessica Pegula in advancing, 6-1, 6-2. Next up is Mertens, whom she's partnered to two Grand Slam doubles titles, for a spot in semifinals.

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Top 5 Photos, 5/4:
Berrettini routs
compatriot Fognini

Top 5 Photos, 5/4: Berrettini routs compatriot Fognini

5

Tsitsipas Brothers

The sibling tandem fell to seventh-seeded duo Wesley Koolhof and Łukasz Kubot, 4-6, 7-5 [6-10]. While 22-year-old Stefanos is ranked is the world's No. 5 player, younger brother Petros has yet to break into the Top 900.

Top 5 Photos, 5/4:
Berrettini routs
compatriot Fognini

Top 5 Photos, 5/4: Berrettini routs compatriot Fognini