ATP Rotterdam Semifinal Preview: Who Will Reach the Final? (2026)

ATP Rotterdam Semifinal Predictions: Felix Auger-Aliassime vs Alexander Bublik

The ATP Rotterdam Open semifinals are set, and it's shaping up to be an exciting day of tennis in the Netherlands' second city. As always, we at LWOT will be offering our predictions for every match on the slate, as well as the action at WTA Doha, ATP Dallas, and ATP Buenos Aires. But who will secure their spot in Sunday's final?

Alex de Minaur vs Ugo Humbert

Head-to-head: de Minaur 5-2 Humbert

This match is expected to be a close contest from the start. Alex de Minaur has demonstrated consistency, even when not at his peak, securing tough wins this week. Notably, he made a strong comeback against Botic van de Zandschulp in the quarterfinals. Crucially, de Minaur has shown he can handle pressure on indoor courts, where his speed and defense excel. He also boasts a strong pedigree at the ATP Rotterdam Open, having reached back-to-back finals in 2024 and 2025.

Ugo Humbert, on the other hand, convincingly defeated Christopher O'Connell, showcasing his sharp and confident play with a powerful serve and aggressive baseline game. Both players are in good form, but de Minaur's ability to maintain composure in longer rallies and turn defense into offense gives him a slight edge in what could be a closely fought match. Expect the Australian to advance.

Prediction: de Minaur in 2 sets.

Felix Auger-Aliassime vs Alexander Bublik

Head-to-head: Auger-Aliassime 4-2 Bublik

Felix Auger-Aliassime is on a winning streak, extending his indoor success with a solid victory over Tallon Griekspoor in the quarterfinals. The Canadian has consistently performed well on fast indoor hard courts, where his big serve and forehand thrive, and he has looked composed under pressure. Alexander Bublik, known for his unpredictable serve variety and touch, has the potential to cause upsets when things go his way.

While Bublik has had some strong moments in the tournament, Auger-Aliassime's current form and comfort on this specific surface make him a more consistent and formidable opponent over three sets. Expect an intense match, but Auger-Aliassime's consistency should prevail.

Prediction: Auger-Aliassime in 3 sets.

Main photo credit: Geoff Burke/Imagn Images

ATP Rotterdam Semifinal Preview: Who Will Reach the Final? (2026)
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