The UNIQLO Wheelchair Tennis Tour consists of more than 160 tournaments in over 40 countries, with total prize money of over $2.5 million. The Wheelchair Tennis Tour originated in 1992 with 11 international tournaments. NEC was the title sponsor of the Tour from its inception in 1992 through to the end of 2013. UNIQLO became the official title sponsor of the Tour in June 2014. The tour is divided into multiple grades from the lowest level of Futures, of which there are the greatest number of tournaments each year, up to the four Grand Slam events.