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Sports Desk • Hockey

Ottawa Senators vs. Toronto Maple Leafs

Ottawa Senators vs.

Updated September 12, 20261 min readCited sources

The Battle of Ontario is the NHL rivalry between the Ottawa Senators and Toronto Maple Leafs. It's a prominent all-Canadian matchup between the national capital and Canada's largest city.

What it is

The Ottawa Senators and Toronto Maple Leafs are two Ontario-based NHL teams whose regular-season and playoff meetings are known as the Battle of Ontario. Both clubs are Canadian, with the Senators based in Ottawa and the Maple Leafs in Toronto. The rivalry is one of the league's notable all-Canadian matchups.

Why it matters

This rivalry pits Canada's capital city against its largest city, giving it extra national significance. The teams met in the 2025 Stanley Cup playoffs, with Toronto winning the first-round series 4–2. The head-to-head record is close: according to one source, Toronto holds a one-win edge (94 wins to Ottawa's 93) after 190 games.

Key details

In the 2025–26 regular season, Ottawa won three straight meetings: 5–2 on February 28, 2026; 5–2 on March 21, 2026; and 3–1 on April 15, 2026. The Senators also shut out Toronto 4–0 in Game 5 of the 2025 playoffs. The rivalry remains intense and closely watched by Canadian hockey fans.

In short

  • The Battle of Ontario is the Senators–Maple Leafs rivalry.
  • Toronto won the 2025 playoff series 4–2.
  • Ottawa won the final 2025–26 regular-season meeting 3–1.
  • Toronto holds a narrow head-to-head edge in wins.
Canadian angle

This is a major all-Canadian NHL rivalry between the capital city of Canada and the country’s largest city, making it especially relevant to Canadian hockey audiences.

Quick questions

What is Ottawa Senators vs. Toronto Maple Leafs called?
It is commonly called the Battle of Ontario.
Have the teams met in the playoffs?
Yes. They met in the 2025 Stanley Cup playoffs, where Toronto won the first-round series 4–2.
What was the most recent result?
Ottawa defeated Toronto 3–1 on April 15, 2026, in the regular-season finale for both teams.

Sources

  1. NHL.com — https://www.nhl.com/news/ottawa-senators-toronto-maple-leafs-game-recap-april-15-2026
    Supports: Ottawa’s 3–1 win on April 15, 2026; game context and season finale details.
  2. CBS Sports / AP — https://www.cbssports.com/nhl/gametracker/recap/NHL_20250429_OTT@TOR/
    Supports: Game 5 playoff result on April 29, 2025; Ottawa’s 4–0 win and Toronto leading the series 3–2 at that point.
  3. ESPN — https://www.espn.com/nhl/recap/_/gameId/401803457
    Supports: Ottawa’s 5–2 win over Toronto on March 21, 2026.
  4. ESPN — https://www.espn.com/nhl/recap/_/gameId/401803655
    Supports: Ottawa’s 3–1 win over Toronto on April 15, 2026 and Ottawa’s final regular-season standings.
  5. AiScore — https://m.aiscore.com/head-to-head/ice-hockey/ottawa-senators-vs-toronto-maple-leafs
    Supports: Head-to-head total of 190 games and win-loss-draw counts cited in the infobox and key points.