What does evens mean?
In gambling, there is a forecasting for even. It implies an even or odd number of goals in football game or these conditions for other sports. What are evens in betting? This is when the probability of an event is 50%. Typically, the soccer scores for such events have coefficients a minimum of 2.0.
In slang, such terms means that you have to select one of some variants. When you know what is evens, it is easy to benefit from the available data in practice.