Overview
- Matteo Berrettini pulled out on Saturday citing illness and issued a public apology to fans and organisers.
- Tournament officials installed qualifying lucky loser Mackenzie McDonald as the replacement in the main draw.
- McDonald now faces Alex de Minaur in the first round, replacing the planned marquee matchup with the Italian.
- De Minaur remains slated to begin his campaign on Rod Laver Arena on Monday according to the schedule.
- The withdrawal follows Berrettini retiring early from an exhibition due to illness and extends a stretch marked by oblique troubles, missed majors and a brief Davis Cup return.