It took Holger Rönn 2:42 hours to defeat his opponent Tomas Martín Etcheverry.
Against the Argentine French Open quarter-finalist, Boris Becker’s protégé showed particularly strong nerves and saved nine out of ten break point chances.
The last time Ron reached an ATP semi-final was at the Queen’s Cup in London in June.
Becker had coached the Dane before Basel and appears to have already had a clear influence on Rhone. In the round of 16 against Sebastian Baez, the 20-year-old appeared on the pitch for the first time in a long time without his trademark, backwards hat.
The rune appears without a cover
“Holger would play with it from time to time, but Boris himself was of the opinion while playing that the less annoying things the better,” mother and manager Anneke Rohn confirmed to BT: “So no hats, necklaces etc. Maybe Holger sees It’s that way now too.”
In the semi-finals, the 20-year-old will face Canadian Felix Auger-Aliassime or Russian Alexander Shevchenko.
In the race for the top eight at the season finale, the ATP Finals in Turin, Ron is eighth. The Dane is under pressure from Shanghai Masters winner Hubert Hurkacz (Poland), who also reached the semi-finals in Basel and will play against Hugo Humbert (France) in the semi-finals.
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