The judges' points at the end stood 28-29, 27-30, 27-30, 27-30, 27-30 in Jamuna's favour. Jamuna, a bronze-medallist at the 2015 Youth World Championships, had defeated Mongolia's Michidmaa Erdenedalai 5-0 in her opening round clash. She will now play her quarter-final clash on Thursday and a win there will ensure her maiden worlds medal.