The 22-ranked Norwegian broke up to 4-3 in the second set and then kept his game together and was able to decide in the Magic Box in Madrid by holding his serve.
He showed no major emotional outbursts when they thanked the net.
In the next round he meets the Kazakh, 44-ranked Alexander Bublik.
Tsitsipas is in great shape and won the tournament in Monte Carlo and had a match ball in the final against Rafael Nadal in Barcelona before losing.
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Tennis professional Casper Ruud in a duel with Fredrik Skavlan Photo: Monkberry