![Mercedes Cup 2018: Roger Federer back to World No. 1 ranking after beating Nick Kyrgios in a tight semi-final Mercedes Cup 2018: Roger Federer back to World No. 1 ranking after beating Nick Kyrgios in a tight semi-final](https://staticg.sportskeeda.com/editor/2018/06/dbc70-1529167852-800.jpg)
Mercedes Cup 2018: Roger Federer back to World No. 1 ranking after beating Nick Kyrgios in a tight semi-final
![Stuttgart, Germany. 13th June, 2018. Roger Federer of Switzerland returns a shot during the singles second round match against Mischa Zverev of Germany at the ATP Mercedes Cup tennis tournament in Stuttgart, Stuttgart, Germany. 13th June, 2018. Roger Federer of Switzerland returns a shot during the singles second round match against Mischa Zverev of Germany at the ATP Mercedes Cup tennis tournament in Stuttgart,](https://c8.alamy.com/comp/P215C8/stuttgart-germany-13th-june-2018-roger-federer-of-switzerland-returns-a-shot-during-the-singles-second-round-match-against-mischa-zverev-of-germany-at-the-atp-mercedes-cup-tennis-tournament-in-stuttgart-germany-june-13-2018-federer-won-2-1-credit-philippe-ruizxinhuaalamy-live-news-P215C8.jpg)
Stuttgart, Germany. 13th June, 2018. Roger Federer of Switzerland returns a shot during the singles second round match against Mischa Zverev of Germany at the ATP Mercedes Cup tennis tournament in Stuttgart,
![Roger Federer 'excited' as Milos Raonic stands in his way of Stuttgart Open history | Tennis | Sport | Express.co.uk Roger Federer 'excited' as Milos Raonic stands in his way of Stuttgart Open history | Tennis | Sport | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/72/590x/Roger-Federer-Nick-Kyrgios-Stuttgart-Open-975295.jpg?r=1533685109527)
Roger Federer 'excited' as Milos Raonic stands in his way of Stuttgart Open history | Tennis | Sport | Express.co.uk
![Mercedes Cup 2018: Roger Federer reaches semis in Stuttgart, one win away from reclaiming World No. 1 Mercedes Cup 2018: Roger Federer reaches semis in Stuttgart, one win away from reclaiming World No. 1](https://staticg.sportskeeda.com/editor/2018/06/b5707-1529073653-800.jpg)
Mercedes Cup 2018: Roger Federer reaches semis in Stuttgart, one win away from reclaiming World No. 1
![Stuttgart, Deutschland. 13th June, 2018. Roger Federer (SUI). GES/Tennis/ATP: MercedesCup, 18.06.2017 Tennis ATP: MercedesCup, Stuttgart, June 18, 2017 - | usage worldwide Credit: dpa/Alamy Live News Stock Photo - Alamy Stuttgart, Deutschland. 13th June, 2018. Roger Federer (SUI). GES/Tennis/ATP: MercedesCup, 18.06.2017 Tennis ATP: MercedesCup, Stuttgart, June 18, 2017 - | usage worldwide Credit: dpa/Alamy Live News Stock Photo - Alamy](https://c8.alamy.com/comp/P210J0/stuttgart-deutschland-13th-june-2018-roger-federer-sui-gestennisatp-mercedescup-18062017-tennis-atp-mercedescup-stuttgart-june-18-2017-usage-worldwide-credit-dpaalamy-live-news-P210J0.jpg)