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.
Swiatek reaches her first final of season at Canadian Open
Iga Swiatek has rallied from a break down in the deciding set to beat Ukraine's Elina Svitolina 6-3 1-6 6-3 at the Canadian Open on Wednesday, securing her place in a final for the first time this season at the US Open tune-up event in Toronto.
PSG retain UEFA Super Cup with win over Aston Villa
Goals from Khvicha Kvaratskhelia and Desire Doue have helped Paris St Germain to retain the UEFA Super Cup with a 2-1 victory over Aston Villa on Wednesday.
Americans Shelton, Nakashima to meet in Canadian Open final
Defending champion Ben Shelton will face Brandon Nakashima for the Canadian Open title on Thursday after both Americans advanced in straight sets to the final of a key US Open warm-up event.
Dalic named UAE coach after leaving Croatia
Croatian manager Zlatko Dalic has been appointed coach of the UAE, the country's football association (UAEFA) said on Wednesday.
Messi doubts playing 'for much longer' after father's death
Lionel Messi said on Wednesday he is having doubts about continuing his career following the death of his father last week.
UAE President His Highness Sheikh Mohamed bin Zayed Al Nahyan has held talks with Bahrain’s King Hamad bin Isa Al Khalifa during his fraternal visit to the UAE.
UAE President His Highness Sheikh Mohamed bin Zayed Al Nahyan has discussed strengthening bilateral relations with President of the Democratic Republic of the Congo Félix Tshisekedi in a phone call on Wednesday.
Marking International Youth Day, UAE President His Highness Sheikh Mohamed bin Zayed Al Nahyan has led messages emphasising the central role young people play in "achieving a future in which opportunity can grow for all".
