The Halle Open is a men's tennis tournament held in Halle, North Rhine-Westphalia, Germany. Held since 1993, the event is played on four outdoor grass courts and is a part of the ATP Tour 500 series on the ATP Tour schedule.
Roger Federer won ten titles in Halle (2003–06, 2008, 2013–15, 2017, 2019), three times without the loss of a set throughout the tournament (2004, 2008, 2017).
Jonas Björkman (right, pictured here with 2003 champion Todd Woodbridge, left) share a record of three finals in Halle (1999, 2002–03), taking the title twice (1999, 2003).
A grass court is one of the types of tennis court on which the sport of tennis, originally known as "lawn tennis", is played. Grass courts are made of grasses in different compositions depending on the tournament.
Roger Federer playing on the grass at Centre Court in the 2006 Wimbledon Championships
Serena Williams serving at the 2008 Wimbledon Championships.