LIVERPOOL goalkeeper Alisson Becker has reportedly left the club’s pre-season tour of Asia for a personal matter.The Brazil international wasn’t involved in Tuesday’s open training session held at JFA Dream Field in Tokyo in sweltering conditions.GettyAlisson Becker has left the club’s preseason tour of Asia for a personal matter[/caption]It was later revealed that Alisson has been given permission by Liverpool to leave Japan immediately.That means he won’t feature in Wednesday’s final match against Yokohama F Marinos at Nissan Stadium.The 32-year-old will rejoin Arne Slot’s squad after their return to the UK, according to The Athletic.Summer signing Giorgi Mamardashvili, who arrived from Valencia, is expected to start Wednesday against the J1 League minnows.Slot still has plenty of cover, with goalkeepers Freddie Woodman, Armin Pecsi and Kornel Misciur also on the tour.Alisson is the third player to leave Liverpool’s two-game tour of Asia. Luis Diaz, 28, left a few days ago to complete his £65.5million move to Bundesliga champions Bayern Munich.And defender Joe Gomez flew home last week because of an Achilles injury and is undergoing further tests in Merseyside.CASINO SPECIAL – BEST CASINO BONUSES FROM £10 DEPOSITSLiverpool arrived in Tokyo on Sunday following a 4-2 defeat to AC Milan in Hong Kong.Alisson could rejoin Slot’s side when they host Athletic Club at Anfield on August 4. The Premier League champions will then battle FA CUP winners Crystal Palace for the Community Shield at Wembley on August 10.Liverpool kick of their title defence at home to Bournemouth five days later on August 15.