Thierry Henri in Federer’s box talking to the Swiss Davis cup captain DAY 7 Semifinals Roger Federer beat Stan Wawrinka 75 63 FEDERER BOX: Guest Thierry Henri ( French Football Legend) Tennis - 2015 Barclays Atp World Tour Finals - Grand Slam ATP / WTA - O2 Arena - London - England - UK - 21 November 2015.