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In a clash that was briefly disrupted by rain, the Dane won 10 out of 11 games after dropping the first set to turnaround the clash and reach his sixth ATP Masters 1000 semi-final after two hours and five minutes.

Rune, who won the title at the ATP Masters 1000 event in Paris in 2022 aged 19, arrived in Indian Wells struggling for form. The 21 year-old advanced to the fourth round at the Australian Open but struggled in February, failing to record consecutive wins at tour-level events in Rotterdam, Buenos Aires and Acapulco.

After defeating Frenchmen Corentin Moutet and Ugo Humbert in his opening two matches in California, the 12th seed further reminded everyone what he is capable of with a big win against Top 10 star Stefanos Tsitsipas.

Rune improved throughout his meeting with Griekspoor, breaking the Dutchman’s serve six times. Chasing his fifth tour-level title, Rune will meet Daniil Medvedev or Arthur Fils in the semi-finals.

Griekspoor defeated the No. 2 in the ATP Rankings Alexander Zverev in the second round in Indian Wells and was competing in his first ATP Masters 1000 quarter-final. The 28 year-old, who received treatment for a slight ankle issue during the quarter-final clash, moved up nine spots to No. 34 in the ATP Live Rankings.