Shelton’s Cincinnati exit revived concerns over the ATP Tour schedule after his Montreal title.
Alcaraz’s US Open status is unclear, with the Laver Cup now a possible next stop.
Alcaraz's injury absence grows, with Spain also losing him for its Davis Cup tie against Chile.
Rusedski argued Djokovic should be shielded after a brutal Cincinnati Open defeat in hot conditions.
Zverev advanced as rivals fell early, leaving a much clearer path through the Cincinnati Open draw.
Djokovic fell in Cincinnati as Gilbert reignited debate over injury time-outs and comfort breaks.
Zverev beat Norrie in Cincinnati, but a finish after 2am raised fresh concerns.
Tirante upset Djokovic in Cincinnati, ending the Serbian's second-round run after a three-set fight.
Eala advanced in Cincinnati, improved to 8-1 on North American hard courts.
Djokovic’s Cincinnati return ended in defeat as Tirante rallied after a hot, difficult afternoon.
