Overview
- His parents announced his death on his official X account on January 6, confirming the news publicly.
- He had described battling a rare autoimmune illness in late 2025, with reports noting multiple surgeries and liver transplants, while exact medical details remain undisclosed.
- Kust was widely respected for elevating coverage of the ATP Challenger Tour through work with Last Word On Tennis, Tenis by Dawid, and podcasts including Cracked Rackets.
- Players and media figures posted tributes, including messages from John Isner and Sebastian Korda, alongside a condolence note from the ATP Tour.
- Kamil Majchrzak acknowledged Kust in comments after his Brisbane International win over Reilly Opelka, reflecting the impact felt across the sport.