A fitness update from Kei Nishikori.
Who is in danger of losing their way?
Japanese star still struggling.
29-year-old looking at bigger picture.
Japanese star going under the knife.
Japanese ace looking for bounce-back year in 2020.
Roger Federer again overcame a sluggish start to move along at the US Open.
Russian in dominant mood.
How should you be investing your stake this week?
Japanese star focused on the prize in Montreal.