Baseball Australia has added another week to the regular season and increased the playoff field in response to the coronavirus-affected schedule, with the final round to now conclude on Sunday, February 7.

Canberra will need to finish better than last to have a crack at the ABL playoffs, with the four and fifth seeded teams to meet in a wild-card match on February 9.

The winner of that match will join the top three teams in a double-elimination bracket three days later, culminating in championship match on February 14.

Teams will be ranked by winning percentage and need to have played 14 games to qualify for the playoffs. Those who fall short of the mark will be able to add losses to their record to make up the difference.

Canberra are currently ranked sixth with four wins and nine losses, albeit they've only played reigning champions Melbourne Aces with a short-staffed roster.

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Cavalry boss Dan Amodio welcomed the decision to extend the finals field, given teams have played an unequal amount of matches and oppositions.

"It's good to have the finals pathway determined so that we know what the goal is," Amodio said.

"Trying to make a decision about a fair way to do the finals this year is such a challenging task.

"I think they made the right decision by including more teams than in a normal season because even though many teams will have win and loss records, some of them with many games, it's not a true reflection on the performance of teams.

"We're an example of that. We've only played against one team so far, all of those games have been on short-staffed rosters.

"It's a tough balance to respect the regular season but also understanding that it's been such an unusual few weeks, having more teams in than not makes more sense this year."

It comes in the wake of another fixture reschedule, with Canberra to meet the Blue Sox in back-to-back series this fortnight.

Sydney will host the Cavalry at Lismore's Albert Park from Friday to Sunday, in what will be the Blue Sox's first series since December 18 due to COVID-19 complications.

Border closures have forced the cancellation of 12 Blue Sox matches, with the club able to resume their campaign with support from the NSW government.

They'll then meet at Narrabundah Ballpark for a four-game series schedule for January 28-31, pendent on government restrictions.

"We've become close with the Melbourne Aces this year, but we're so happy to be facing another team and in another dug out," Amodio said.

"We're also very happy the Sydney Blue Sox have a chance to revive their season. It means another change for us and some extra travel, but our players are happy to do that in the best interest of them and the sport.

"They deserve a lot of credit to be so flexible to fly across the country as needed this year."

The ABL will release the schedule for the added final week of the regular season shortly.