![Roger Federer returns the ball to Germany's Michael Berrer on Wednesday, June 11, 2008 in Halle, Germany. Federer ran his winning streak on grass to 55 matches with a 6-4, 6-2 win Roger Federer returns the ball to Germany's Michael Berrer on Wednesday, June 11, 2008 in Halle, Germany. Federer ran his winning streak on grass to 55 matches with a 6-4, 6-2 win](https://c8.alamy.com/comp/2PA1GA4/roger-federer-returns-the-ball-to-germanys-michael-berrer-on-wednesday-june-11-2008-in-halle-germany-federer-ran-his-winning-streak-on-grass-to-55-matches-with-a-6-4-6-2-win-against-germanys-michael-berrer-at-the-gerry-weber-open-the-top-ranked-swiss-dropped-just-one-point-on-his-serve-in-the-first-set-against-the-89th-ranked-berrer-ap-photochristian-weische-2PA1GA4.jpg)
Roger Federer returns the ball to Germany's Michael Berrer on Wednesday, June 11, 2008 in Halle, Germany. Federer ran his winning streak on grass to 55 matches with a 6-4, 6-2 win
ITF Newsletter - Michael Berrer shining and champions are crowned at ITF Masters World Championships - International Tennis Federation
![Michael Berrer of Germany returns the ball to Michal Przysiezny of Poland at the US Open tennis tournament in New York, Wednesday, Aug. 29, 2007. (AP Photo/Elise Amendola Stock Photo - Alamy Michael Berrer of Germany returns the ball to Michal Przysiezny of Poland at the US Open tennis tournament in New York, Wednesday, Aug. 29, 2007. (AP Photo/Elise Amendola Stock Photo - Alamy](https://c8.alamy.com/comp/2PB6E1H/michael-berrer-of-germany-returns-the-ball-to-michal-przysiezny-of-poland-at-the-us-open-tennis-tournament-in-new-york-wednesday-aug-29-2007-ap-photoelise-amendola-2PB6E1H.jpg)
Michael Berrer of Germany returns the ball to Michal Przysiezny of Poland at the US Open tennis tournament in New York, Wednesday, Aug. 29, 2007. (AP Photo/Elise Amendola Stock Photo - Alamy
![Michael Berrer of Germany hits a return during his match against Gilles Simon of France at the China Open tennis tournament at the China Open tennis tournament in Beijing, China on Wednesday, Michael Berrer of Germany hits a return during his match against Gilles Simon of France at the China Open tennis tournament at the China Open tennis tournament in Beijing, China on Wednesday,](https://c8.alamy.com/comp/2P7D9K2/michael-berrer-of-germany-hits-a-return-during-his-match-against-gilles-simon-of-france-at-the-china-open-tennis-tournament-at-the-china-open-tennis-tournament-in-beijing-china-on-wednesday-oct-6-2010-gilles-simon-defeated-michael-berrer-in-6-7-6-4-7-6photo-by-yi-beicolor-china-photoap-images-2P7D9K2.jpg)
Michael Berrer of Germany hits a return during his match against Gilles Simon of France at the China Open tennis tournament at the China Open tennis tournament in Beijing, China on Wednesday,
![Tennis Server ATP/WTA Pro Tennis Showcase - 2006 Pilot Pen International - New Haven, Connecticut - Marcos Baghdatis / Michael Berrer Tennis Server ATP/WTA Pro Tennis Showcase - 2006 Pilot Pen International - New Haven, Connecticut - Marcos Baghdatis / Michael Berrer](http://www2.tennisserver.com/turbo/images/pilotpen06/060822/Berrer1.jpg)
Tennis Server ATP/WTA Pro Tennis Showcase - 2006 Pilot Pen International - New Haven, Connecticut - Marcos Baghdatis / Michael Berrer
![Germany's Michael Berrer returns a ball during a quarter final match against Argentina's Agustin Calleri at the Mercedes Cup tennis tournament in Stuttgart, southern Germany, on Friday, July 11, 2008. (AP Photo/Daniel Germany's Michael Berrer returns a ball during a quarter final match against Argentina's Agustin Calleri at the Mercedes Cup tennis tournament in Stuttgart, southern Germany, on Friday, July 11, 2008. (AP Photo/Daniel](https://c8.alamy.com/comp/2P9XD3M/germanys-michael-berrer-returns-a-ball-during-a-quarter-final-match-against-argentinas-agustin-calleri-at-the-mercedes-cup-tennis-tournament-in-stuttgart-southern-germany-on-friday-july-11-2008-ap-photodaniel-maurer-2P9XD3M.jpg)