Tonga
Rugby union

Rugby union is the national sport, and the national team (ʻIkale Tahi, or Sea Eagles) has performed quite well on the international stage. Tonga has competed in six Rugby World Cups since 1987. The 2007 and 2011 Rugby World Cups were Tonga's most successful to date, both winning two out of four matches and in a running chance for the quarterfinals. In the 2007 Rugby World Cup, Tonga won its first two matches, against the USA 25–15, and Samoa 19–15. They came very close to upsetting the eventual winners of the 2007 tournament, the South African Springboks, losing 30–25. A defeat by England, 36–20 in their last pool game ended their hopes of making the knockout stages. Nevertheless, by picking up third place in their pool games behind South Africa and England, Tonga earned automatic qualification for the 2011 Rugby World Cup in New Zealand. In Pool A of the 2011 Rugby World Cup, Tonga beat both Japan 31–18 and 5th ranked eventual finalist France 19–14 in the latter pool stages. However, a previous heavy defeat by the All Blacks at the tournament's opener (41–10) and a subsequent tight defeat by Canada (25–20) meant that Tonga lost out to France (who also lost to NZ) for the quarter finals due to 2 bonus points and a points difference of 46.

Tonga's best result before 2007 came in 1995, when they beat Côte d'Ivoire 29–11, and 1999 when they beat Italy 28–25 (although with only 14 men they lost heavily to England, 101–10). Tonga perform the Ikale Tahi war dance or Sipi Tau (a form of Kailao) before all their matches. Tonga used to compete in the Pacific Tri-Nations against Samoa and Fiji, which has now been replaced by the World Rugby Pacific Nations Cup, which now involves Japan, Canada, and the United States. At club level, there are the Datec Cup Provincial Championship and the Pacific Rugby Cup. Rugby union is governed by the Tonga Rugby Football Union, which was a member of the Pacific Islands Rugby Alliance and contributed to the Pacific Islanders rugby union team, before they were disbanded in 2009.

Many players of Tongan descent – e.g., Jonah Lomu, Israel Folau, Viliami "William" ʻOfahengaue, Malakai Fekitoa, Ben Afeaki, Charles Piutau, Frank Halai, Sekope Kepu, George Smith, Wycliff Palu, Sitaleki Timani, Salesi Ma'afu, Anthony and Saia Fainga'a, Mark Gerrard, Cooper Vuna, Doug Howlett, Toutai Kefu and Tatafu Polota-Nau – have played for either the All Blacks or the Wallabies. British and Irish Lion and Welsh international player Taulupe "Toby" Faletau is Tongan born and the son of Tongan international Kuli Faletau. Taulupe's cousins and England international players Billy and Mako Vunipola (who is also a British and Irish Lion), are sons of former Tonga rugby captain Fe'ao Vunipola. Rugby is popular among the nation's schools, and students from schools such as Tonga College and Tupou College are regularly offered scholarships in New Zealand, Australia and Japan.
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