Sport in Western Australia held annually. The FINA World Championships were held in Perth in 1991 and 1998. Western Australia also hosts the annual Hopman Cup mixed tennis tournament at Perth Arena (previously at the Burswood Dome). Davis Cup and Federation Cup ties have also been held at the Royal King's Park Tennis Club. The Western Australian Athletics Stadium opened in 2009. The main grandstand is named after Shirley Strickland. Baseball is becoming increasingly popular in Western Australia. Baseball WA is the governing body of baseball in Western Australia and oversees the organization of the sport in the area. The highest level of play
Hopman Cup consists of one male player and one female player. Each match-up between two teams at the championships consists of: The eight competing teams are separated into two groups of four (with two teams being seeded) and face-off against each of the other three teams in their group in a round-robin format. These seedings ensure that each group has approximately similar strength. The top team in each group then meet in a final to decide the champions. If a player is injured then a player of a lower ranking of that nation may be the substitute. The 2014 Hopman Cup Tournament