A solo wolf against a tiger is a complete mismatch — the tiger outweighs it by 500 pounds.
This isn't really a fair fight, and that's important context. Wolves are pack hunters — their entire evolutionary strategy is based on teamwork, not 1v1 combat. Putting a single gray wolf against a Bengal tiger is like putting a single soldier against a tank.
The tiger outweighs the wolf by roughly 450-500 pounds. Its bite force (1,050 PSI) is nearly triple the wolf's (400 PSI). Its claws can slice through the wolf's body in a single swipe. The tiger is also faster in a sprint and has far more raw power.
A wolf pack (6-10 wolves) against a tiger would be a much more interesting discussion. In that scenario, the pack's coordination and ability to attack from multiple angles could potentially overwhelm the tiger's ability to defend itself. But a single wolf? The tiger wouldn't even need to try particularly hard.
The tiger is 6-7 times heavier, has a dramatically stronger bite, longer claws, and faster reflexes. It regularly kills prey far larger than wolves and has been documented killing bears, crocodiles, and water buffalo single-handedly. This is a complete physical mismatch.
The gray wolf is faster over long distances, more agile, and has stamina that exceeds the tiger's. If it could somehow avoid the tiger's initial charge and run it down over time... but realistically, a tiger's ambush speed means the wolf would never get that chance. The wolf's only viable strategy requires a pack.
The Bengal tiger wins overwhelmingly. A single gray wolf simply doesn't have the physical tools to threaten a 600-pound big cat. This matchup would only be competitive with a full wolf pack, which is the natural context wolves evolved for.
Bengal Tiger also fights
Gray Wolf also fights