Number two seed Novak Djokovic powered into the quarter-finals of the Swiss Indoors with a crushing 6-0 6-0 victory over Jan Hernych.
The Serbian was in rampant mood in Basel, dropping just 26 points in the whole match before prevailing in 52 minutes.
World number 59 Hernych failed to cope with Djokovic's unrelenting groundstrokes, despite forcing three break points in the fifth game of the first set.
Djokovic's reward is a last eight meeting with sixth seed Stanislas Wawrinka, who later progressed with a 7-5 2-6 6-1 win over Jarkko Nieminen.
Fourth seed Marin Cilic and Richard Gasquet both saved match points before winning their matches in three sets.
Croatia's Cilic needed more than three hours to beat Serbia's Viktor Troicki 7-6 (9-7) 6-7 (8-10) 7-6 (8-6) and will next face fifth-seed Radek Stepanek.
Meanwhile, Gasquet's 4-6 7-6 (11-9) 6-2 victory over John Isner swung on a dramatic second-set tiebreaker.
The Frenchman saved the second of Isner's two match points with one of his six aces to answer 22 from the 6ft 9in American.
Gasquet will now play home town wildcard Marco Chiudinelli, who progressed into the quarters with a three-set victory over fellow Swiss Michael Lammer.
World number 73 Chiudinelli followed up his victory over eighth seed Philipp Kohlschreiber in round one with a 2-6 6-3 6-3 success.
Elsewhere on court number two, Evgeny Korolev booked a quarter-final date with Roger Fedrer after he prevailed 6-4 7-6 (7-1) against Frenchman Jeremy Chardy.

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