Top seed Kei Nishikori has crashed out of the Dubai Duty Free Tennis Championships.
The world number six from Japan went down in three sets to Poland's Hubert Hurkacz 5-7, 7-5, 2-6.
Elsewhere, Lithuania's Ričardas Berankis beat American Denis Kudla 6-4, 6-1.
Seven-time winner Roger Federer is in action later on Wednesday.
The Swiss star takes on Spain's Fernando Verdasco on Centre Court after 7 PM.
Rain in Montreal forces Canadian Open to reschedule men's quarter-finals
Rain has forced the cancellation of two Canadian Open men's quarter-finals scheduled for Monday in Montreal, tournament organisers said.
Swiatek cruises past Shnaider to reach Canadian Open semi-finals
Iga Swiatek has swept past Diana Shnaider 6-2 6-1 on Monday to reach the Canadian Open semi-finals, where the Pole will face Elina Svitolina after the Ukrainian rallied past Ekaterina Alexandrova in Toronto.
UEFA, AFC, CONCACAF hit out at Infantino over World Cup stake sale
European football's governing body UEFA, the Asian Football Confederation and CONCACAF issued an open letter on Monday attacking FIFA chief Gianni Infantino's conduct during the proposed sale of a stake in World Cup commercial rights.
Malawi book first-ever place at Women's World Cup
Malawi has continued its fairytale debut at the Women’s Africa Cup of Nations, coming from behind to beat Ghana 2-1 in Sunday’s last quarter-final, which also secured them a spot in the World Cup for the first time.
All Blacks lose Proctor to fractured shoulder on South Africa tour
New Zealand centre Billy Proctor will return home from his side's tour of South Africa after scans revealed a fractured shoulder sustained in the 38-21 victory over the Stormers in Cape Town on Friday.
