About one million people who failed in the first round have until 23:00 local time Thursday to apply for tickets.
On May 13, applicants were able to apply for tickets to the men’s 100m Olympic final. Other events covered include hockey, tennis, beach volleyball, gymnastics and football.
This latest sale is for people who were not allocated any tickets in the initial round of ticket sales, and who did not apply in the second round, reported Xinhua.
This group will also be able to apply for 70,000 general tickets for the Olympic Park from May 17.
There were 900,000 tickets made available Friday, initially to 20,000 applicants who had previously thought they had secured tickets, only to be told they had already been sold.
The online ticketing system sparked criticism last year after it crashed under high demand.
In some cases, the system reportedly informed potential buyers they had secured tickets, who were later told that they had failed.