Tennis: Roger Federer back to No.1 after semifinal victory at the Stuttgart Open

Top seed Roger Federer reached the final of the Stuttgart Open. Federer returned to the No.1 spot after beating Nick Kyrgios 6-7, 6-2, 7-6 in the semis. Federer fought back from a set down to win the match at Stuttgart. Federer is playing in his first tournament since March.