The 34-percent state-owned firm, which is slated for privatisation under the country's international bailout, plans to offer all its existing and future games online.
European biggest listed betting company OPAP paid the government about 850 million euros (us$ 1 billion) last year to extend its Greek sports betting monopoly to 2030 and obtain an exclusive licence for 35,000 Video Lotto Terminals in the country.
In a separate tender to pick a new information technology supplier for its existing, terminal-based network, OPAP said it would proceed by examining a bid from Intralot, the world's second-biggest online gaming provider.
OPAP received in October two bids for its IT tender, one from Intralot and another from Gtech, a unit of Lottomatica.