London, June 10 -- Nathan Lyon believes the ICC World Test Championship Final 2025 represents a significant step in Australia's quest to become one of the all-time great Test teams.

The 37-year-old off-spinner is part of Andrew McDonald's squad to take on South Africa at Lord's in the finale of the ICC World Test Championship 2023-25 cycle.

Australia will be looking to defend the title they won in 2023 after beating India by 209 runs at The Oval, and Lyon, who took the match-winning wicket of Mohammed Siraj in that victory, wants to build on the progress that has been made since then.

"It is important that we look at this week as a celebration piece," he said.

"We've done incredibly well over the last couple of years, at home and away,...