Top-ranked Canadian Auger-Aliassime out of National Bank Open after injuring back in practice Top-ranked Canadian Félix Auger-Aliassime has withdrawn from the National Bank Open after sustaining a back injury during practice in his hometown of Montreal. https://www.cbc.ca/sports/tennis/kayla-cross-national-bank-open-toronto-recap-aug5-9.7297390?cmp=rss