This is from a TurboTax answer in 2019.  Take it as authoritative as you want.

Yes, you can combine your 72 Form W-2G forms to report them in TurboTax. However, it is recommended that you:

1. Only combine W-2G's from the same casino (so the Casino's EIN matches).
2. Also, have a spreadsheet for documentation (if requested by the IRS) of calculation totals. 

Your win/loss statement does not get entered into TurboTax. Add your winnings from Form W-2g and if you itemize