Sri Lanka could play a T20 World Cup semi-final in Colombo's R Premadasa Stadium. Sri Lanka's national cricket team has been on a rollercoaster ride in the ongoing ICC T20 World Cup. Bhanuka Rajapaksa has been in top form, scoring crucial runs in the powerplay and middle overs. A semi-final spot would be a major achievement for the team, considering their challenging group stage. The R Premadasa Stadium has a seating capacity of over 35,000 and has hosted several high-profile matches in the past.