The match is being played at the R. Premadasa Stadium, where Travis Head is leading the side in Marsh’s absence.
According to Cricket Australia, Marsh sustained a serious groin injury during a side-arm throwdown session in training on Sunday. He immediately left the nets after experiencing discomfort.
Medical scans later confirmed an internal injury, and team officials stated that the all-rounder will require rest and rehabilitation. His participation in Australia’s next match against Zimbabwe also remains doubtful.
In Marsh’s absence, Matthew Renshaw has been included in the World Cup playing XI for the first time, while Josh Inglis has partnered Travis Head at the top of the order.
Meanwhile, Steve Smith is set to travel to Sri Lanka as a standby player and may be added to the squad if required.
Marsh’s injury comes at a crucial stage of the tournament, posing a significant challenge for Australia’s campaign.