The round robin format is comparable to that which operates at the ATP World Tour Finals and WTA Championships.
[3] From 1994 until 1999 the NEC Wheelchair Tennis Masters took place in the Indoor Sport Centre in Eindhoven, Netherlands.
In 2013, the NEC Singles Masters took place at the Marguerite Tennis Pavilion in Mission Viejo, California.
From 2002 until 2003 the Wheelchair Tennis Doubles Masters took place at the Invacare World Team Cup by Camozzi in Tremosine, Italy.
In 2011 the title sponsorship was taken up by Invacare in a two-year deal and the 2011 tournament was held in the Frans Otten stadium in Amsterdam.