The 2020–21 Sheffield Shield season was the 119th season of the Sheffield Shield, the Australian domestic first-class cricket competition. On 26 June 2020, Cricket Australia confirmed all the squads for the 2020–21 domestic cricket season. Cricket Australia also confirmed that the tournament would use the Kookaburra ball for all the matches, after using the Duke ball since the 2016–17 season. New South Wales were the defending champions.
Round 1
Western Australia won the toss and elected to bat. , Lance Morris (Western Australia) made his first-class debut. , Lloyd Pope (South Australia) became the first leg spinner in 50 years to take a five-wicket haul on the opening day of a Sheffield Shield season. , Josh Inglis (Western Australia) scored his maiden first-class century. , Ashton Agar (Western Australia) became the 28th player to score a century and take a five-wicket haul in the same Sheffield Shield match.
Tasmania won the toss and elected to bat. , Park 25 hosted its maiden first-class cricket match. , Michael Neser (Queensland) scored his maiden first-class century. Neser also became the 27th player to score a century and take a five-wicket haul in the same Sheffield Shield match.
The match was postponed due to COVID-19 quarantine restrictions.
Round 2
South Australia won the toss and elected to bat.
Western Australia won the toss and elected to field.
The match was postponed due to COVID-19 quarantine restrictions.
Round 3
Tasmania won the toss and elected to field. , Shaun Marsh (Western Australia) scored his 30th century in first-class cricket. , Lance Morris (Western Australia) took his maiden first-class five-wicket haul.
South Australia won the toss and elected to bat. , Zak Evans and Mitchell Perry (Victoria) both made their first-class debuts. , Marcus Harris and Will Pucovski (Victoria) made the highest ever partnership in Sheffield Shield history, scoring 486 runs for the first wicket. The previous record was held by Mark and Steve Waugh, making 464 for New South Wales against Western Australia in the 1990–91 tournament.
New South Wales won the toss and elected to field.
Round 4
Western Australia won the toss and elected to field.
Tasmania won the toss and elected to field. , New South Wales made their third-lowest total in the Sheffield Shield. , Sean Abbott (New South Wales) scored his maiden century in first-class cricket.
Queensland won the toss and elected to bat. , Jimmy Peirson (Queensland) scored his maiden century in first-class cricket. , Callum Ferguson (South Australia) played in his final first-class cricket match.
Round 5
Victoria won the toss and elected to field. , Nathan Lyon (New South Wales) took his 600th first-class wicket.
Queensland won the toss and elected to field. , Matthew Kuhnemann (Queensland) made his first-class debut. , Caleb Jewell (Tasmania) scored his maiden first-class century.
South Australia won the toss and elected to bat. , Travis Head (South Australia) scored his maiden double century in first-class cricket.
New South Wales won the toss and elected to field.
Round 6
Victoria won the toss and elected to field.
South Australia won the toss and elected to bat. , Joe Medew-Ewen (South Australia) made his first-class debut.
Queensland won the toss and elected to field. , Cameron Green (Western Australia) scored his maiden double century in first-class cricket.
Round 7
Queensland won the toss and elected to field. , No play was possible on days 3 and 4 due to rain.
New South Wales won the toss and elected to field.
No toss. , No play was possible on day 1 due to rain. , No play was possible on days 2, 3 and 4 due to a wet outfield.
Victoria won the toss and elected to field. , Joel Paris (Western Australia) scored his maiden century in first-class cricket.
Round 8
South Australia won the toss and elected to bat. , Todd Murphy, James Seymour (Victoria) and Samuel Kerber (South Australia) all made their first-class debuts.
Queensland won the toss and elected to field. , Lachlan Hearne (New South Wales) made his first-class debut.
Western Australia won the toss and elected to field. , Tim Ward (Tasmania) made his first-class debut.
Final
New South Wales won the toss and elected to bat. , This was the first time Queensland had won against New South Wales in a Sheffield Shield Final