ATP Cup 2021: Fewer teams, same quality; Top four Djokovic, Nadal, Thiem, Medvedev headline

The ATP Cup may have had its wings clipped by a global pandemic, with 24 teams becoming 12. It may have been forced to focus entirely on Melbourne rather than featuring Sydney, Perth and Brisbane, and may now be a six-day prelude to the Australian Open rather than the full fortnight that its first playing […]