Off the top of my head, top 5 performances (in my lifetime) by an Australia (men’s) captain:
1. Pat Cummins, Edgbaston 2023.
2. Steve Waugh, 1999 WC v South Africa, Leeds.
3. Steve Smith, Pune 2017.
4. Ricky Ponting, Old Trafford 2005.
5. Michael Clarke, Cape Town 2014
#Ashes