Sitting at the bar alone

So a lot of people suggested eating dinner at the bar alone as one of the best ways to meet someone IRL. While I’ve done this a lot, I found that 99% of the time the only people sitting at bars are couples or groups of girls (I’m a girl). I rarely ever see men sitting alone. Maybe it’s where I live, but does anyone else experience this? (FYI - I’m going to upscale restaurant bars, so maybe I need to change my location for straight males).