Toronto Indoor
The Toronto Indoor ( also known as "Toronto Molson Light Challenge" from 1981-1985 , "Corel North American Indoor" in 1986 and "Skydome World Tennis" in 1990 ) was a professional men's tennis tournament played on indoor carpet courts , held at the Maple Leaf Gardens . 
<triplet> Toronto Indoor <subj> tennis <obj> sport <subj> indoor carpet courts <obj> surface played on <triplet> indoor carpet courts <subj> tennis <obj> sport