Day 4 at the Rotterdam ATP 500 delivered high-intensity battles, dramatic tie-breaks and decisive performances as the quarterfinal lineup began to take full form. With top seeds in action and home favorites stepping onto Centre Court, the tournament entered a more defined and increasingly competitive phase.
Several matches were decided by fine margins, underlining just how tight the indoor conditions in Rotterdam can be.
De Minaur Advances, Van de Zandschulp Upsets Tsitsipas
Top seed Alex De Minaur produced a controlled display to defeat Stan Wawrinka in straight sets, confirming his status as one of the leading contenders for the title.
The biggest moment of the day, however, came when home favorite Botic van de Zandschulp stunned Stefanos Tsitsipas in two tight sets. Backed by strong support from the Rotterdam crowd, the Dutchman delivered under pressure and secured his place in the quarterfinals.
The two are now set to meet in what promises to be one of the standout clashes of the next round.
Munar Continues His Inspired Run
Jaume Munar maintained his impressive level by overcoming Karen Khachanov in a three-set battle. The Spaniard showed composure in key moments, particularly in the opening tie-break, and once again demonstrated that his current form extends beyond his traditional clay-court comfort zone.
His consistency and discipline proved decisive against the powerful Russian.
Auger-Aliassime and Bublik Survive Tight Contests
Second seed Felix Auger-Aliassime ended Hamad Medjedovic’s run in straight sets, capitalizing on crucial moments in both sets to move forward.
The most dramatic match of the evening saw Alexander Bublik outlast Jan-Lennard Struff in a thrilling three-set encounter. With 21 aces and over 50 winners combined, the match showcased explosive indoor tennis and razor-thin margins. Bublik ultimately prevailed to secure his quarterfinal spot.
Tournament Momentum Builds
With the quarterfinal field now largely set, the intensity in Rotterdam continues to rise. Home hopes remain alive, top seeds are finding their rhythm, and several matchups promise high drama as the tournament moves deeper into its decisive stages.
For a complete overview of the updated bracket and upcoming matchups, see the Rotterdam ATP 500 2026 main draw