US Open: Johanna Konta reflects on ‘stressful’ first round Sign up for FREE tennis updates from on and off the court SUBSCRIBE Invalid email We use your sign-up to provide content in ways you’ve consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. More info Jo Konta suffered another Grand Slam shocker as she crashed out of the US Open to Sorana Cirstea – the world No.77 who had won only one tour-level match all year. Related articles Novak Djokovic gives verdict after overcoming Kyle Edmund Roger Federer and Rafael Nadal claim made amid US Open absence The British No.1 broke the Romanian three times in a one-sided first set and seemed on course to cruise to the third round. But No.9 seed Konta failed to take four crucial break points late in the second set and the Cirstea took the tiebreak. And the momentum of the match then shifted as the Romanian gained confidence and started to hit last year’s quarter-finalist off the court. Before the end Konta was shrugging her shoulders in despair at her new coach Thomas Hogstedt…