winning streak
A consecutive series of victories, successes, or instances of good fortune. The team, considered the least likely of the entire league to make it to the playoffs, has continued its remarkable winning streak for the 14th straight game. We've finally started having a bit of a winning streak with our latest products. Caught up in an unbelievable winning streak, I started making riskier and riskier bets, until I ended up losing everything in a single game of cards.
winning streak
A series of consecutive successes, a run of good luck, as in Our son-in-law has been on a winning streak with his investments. This expression comes from gambling. [Mid-1900s]