Formula 1 2020 will long be remembered as one of the most unusual championships in history, courtesy of the coronavirus pandemic that called off the season opener and delayed the start by nearly four months.

But as progress is made in the fight against the virus, the world is starting to return to a new normal with Formula 1 beginning with an initial eight-race calendar, starting in Austria on 3-5 July.

READ MORE: F1 confirms first 8 races of revised 2020 calendar, starting with Austria double header

With this quirkiest of seasons almost upon us, we look at the biggest challenge facing each of the 10 teams.

Mercedes – Can they maintain their ultra-high standards of excellence amid uncertainty?
The Silver Arrows have a win percentage of 73.6% across the last six years, winning 89 of the 121 races contested. Year on year, they get better, they get faster, they get more innovative.

Mercedes Team Principal Toto Wolff’s leadership technique has moulded the talented group at Brackley into one of the most ruthlessly efficient and successful sporting entities in the world.

His and the team’s challenge, then, is to continue the quest to hold on to that mantle – especially given the uncertainty surrounding some key members of the operation. Wolff himself has already admitted he is 'contemplating' his own role in the team, while Lewis Hamilton is yet to sign a new contract for next year, and highly-rated engine chief Andy Cowell has confirmed he is leaving.