Defending champion Roberto Bautista Agut has crashed out of the Dubai Duty Free Tennis Championships.
Last year's winner went down in three sets to Georgia's Nikoloz Basilashvili 7-6, 4-6, 3-6.
Earlier in the day, top seed Kei Nishikori was knocked out by Poland's world number 77 Hubert Hurkacz 5-7, 7-5, 2-6.
Elsewhere, Gael Monfils strolled into the quarter-finals with a 6-3, 6-2 win over 2016 runner-up Marcos Baghdatis.
Farhan fires Pakistan to 32-run win over US in T20 World Cup
Pakistan opener Sahibzada Farhan has hit a swift half-century as the 2009 champions comfortably beat the US by 32 runs on Tuesday, clinching their second straight Group A win in the Twenty20 World Cup.
Australia's Bolton airlifted to hospital with broken neck
Australian snowboarder Cameron Bolton has been airlifted to hospital after breaking his neck in a training mishap at the Winter Olympics.
New Zealand openers smash T20 World Cup record in rout of UAE
New Zealand's openers Tim Seifert and Finn Allen rewrote the Twenty20 World Cup record books on Tuesday, pummelling the UAE's bowling attack in a stunning 10-wicket victory in Chennai.
Draw means Al-Hilal drop first points in Asian Champions League
Four-time champions Al-Hilal have dropped their first points of the league phase of the Asian Champions League Elite on Monday as Simone Inzaghi's much-changed line-up was held to a 0-0 draw by the UAE's Shabab Al-Ahli.
Ski great Vonn needs multiple surgeries for complex leg fracture
Ski great Lindsey Vonn has announced that she suffered a complex leg fracture in Sunday's downhill race at the Milano Cortina Olympics that will require multiple surgical operations.
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