Jannik Sinner is not making it easy for himself this year. Matches he would have expected to sprint through here have become mini-marathons and there is the small matter of another heatwave arriving in London this weekend, which, as we saw in Paris, is his kryptonite.
More worrying, as Sinner admitted after reaching the last 32 with a 7-6 (4), 7-6 (2), 6-4 victory over the world No 48, Nuno Borges, his game is still falling short. The forensic analysis started when the Italian was asked whether his forehand was as good as it could be.
