In this week’s Sport: Roger Federer talks exclusively about why he believes his 18th Grand Slam could come at Wimbledon | Jimmy Anderson looks ahead to an Ashes series against an unfriendly Australian team | Manchester City and England goalkeeper Joe Hart on facing Lionel Messi and dishing out free shampoo | Defending SW19 women’s champ Petra Kvitova reflects on a topsy-turvy 2015 so far | Rhys Melia explains why fencing is so difficult to train for in Sport Uncovered | Women’s World Cup: a closer look at England’s next opponents, Canada | Plus: 10 best summer adventures to be had on British shores