Denmark's Holger Rune plays Argentina's Tomas Martin Etcheverry during their quarter finals match at the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, Oct 27, 2023. (PHOTO / AP)

No. 1 seed Holger Rune of Denmark got past Argentina's Tomas Martin Etcheverry 6-1, 3-6, 7-6 (6) Friday to reach the semifinals of the Swiss Indoors Basel.

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Rune failed to convert two match points during the third-set tiebreaker to let Etcheverry back into the match. But on the 13th point, Rune hit a dead netcord for a flukey, if fortunate, point. Etcheverry double-faulted on the next point to allow Rune to advance.

Argentina's Tomas Martin Etcheverry returns the ball to Denmark's Holger Rune during their quarter-finals match at the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, Oct 27, 2023. (PHOTO / AP)

Rune's semifinal opponent will be Canadian sixth seed Felix Auger-Aliassime, who outlasted Russian qualifier Alexander Shevchenko 7-6 (2), 3-6, 7-6 (1).

No. 4 seed Hubert Hurkacz of Poland will battle Ugo Humbert of France in the other semifinal. Hurkacz rallied past Dutch opponent Tallon Griekspoor 6-7 (6), 6-4, 6-4, while Humbert beat Swiss wild card Dominic Stricker 6-4, 2-6, 6-2.

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Erste Bank Open

The top four seeds all reached the semifinal round in Vienna, with No. 1 seed Daniil Medvedev of Russia needing three sets to beat countryman and eighth seed Karen Khachanov 6-3, 3-6, 6-3 in the quarters.

Daniil Medvedev of Russia returns a shot to Jannik Sinner of Italy during the men's singles final match in the China Open tennis tournament at the Diamond Court in Beijing, Oct 4, 2023. (PHOTO / AP)

Medvedev will face Greek fourth seed Stefanos Tsitsipas, who outlasted Croatia's Borna Gojo 7-6 (4), 7-5.

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No. 2 seed Jannik Sinner of Italy won 32 of 38 first-service points (84.2 percent) to beat seventh-seeded American Frances Tiafoe 6-3, 6-4. And Russian No. 3 seed Andrey Rublev saved all six break points he faced to beat German No. 5 seed Alexander Zverev 6-1, 6-7 (5), 6-3.