Ferjani Sassi made no mistake from the spot, and England were left to struggle against a resolute backline until Kane finally ensured three points with a last-minute header to make it 2-1. Winning the first game is always massive'.
Tunisia mounted a bit of a comeback after that and were awarded a penalty in the 33 minute when Kyle Walker brought Fakhreddine Ben Youssef down inside the box.
Captain Harry Kane came to the rescue with two goals, the second a dramatic injury-time victor, as England began their World Cup Group G campaign with a stuttering 2-1 win over Tunisia on Monday (Jun 18).
Harry Kane of England celebrates after scoring his team's second goal during the 2018 FIFA World Cup Russia group G match against Tunisia. Hassen saved acrobatically but Kane was on hand to tap home the rebound with his right foot and open his World Cup account.More news: GOP Rep. Hurd: Separating Kids From Parents 'Unacceptable'
The Three Lions captain said: "I'm so proud of the lads, it's tough".
England still enjoyed the lion's share of possession but could not find the same zip and penetration they had enjoyed at the start of the first half. But Kane ensured that England got their Russian Federation 2018 campaign off to the flawless start by heading in at the far post in the 90th minute - a goal that earned a deserved win following a series of controversial incidents.
England allowed carelessness to creep in at the back and offered a limited Tunisia team the chance to get back into a game they should have been out of within the opening half-hour.
Kane had given England the lead in the 11th minute after a bright start.
England avoided an early stumble at the 2018 FIFA World Cup in Russian Federation on Monday, turning what looked appeared to be a draw against Tunisia in Group G into three points.