ATP Tour wrap: Mixed bag for Serbians, while Nishikori survives Barcelona scare

KEI Nishikori is no stranger to adversity. The Japanese 2014 US Open runner-up has had his fair share of injuries over the past couple of years, seeing the former Top 5 talent to slip outside the Top 30. Heading into the Barcelona, the unseeded world number 39 had won six of 13 games in 2021, […]