Romesh Weerawardane has also represented the national team in the Asian Indoor and Martial Arts Games in 2013 and 2017. He won the Kalutara International Chess Festival tournament in 2014 and the Sri Lanka Grand Prix in 2016. He was the runner-up to Dulan Edirisinghe in the 2015 Sri Lankan Chess Championship and to Rajeendra Kalugampitiya the following year.