Scroll far enough down the sports list on a multi sport wagering platform and you will eventually hit something you have never heard of. Pesapallo, or pesäpallo in Finnish, is usually one of them. It is Finland’s national sport, it has been played competitively for more than a century, and while it looks superficially like baseball, almost every rule that matters works differently. The name translates roughly as “nest ball”, and the game is stranger and far more tactical than a passing glance suggests.

Where pesapallo came from

The sport has a single, identifiable inventor: Lauri “Tahko” Pihkala, an Olympic athlete and physical education theorist who wanted Finland to have a national game of its own. Pihkala travelled to the United States in the early twentieth century to study baseball, then went home and deliberately rebuilt it, borrowing from older Finnish bat-and-ball games such as polttopallo and kuningasleikki.

The first match of recognisably modern pesapallo was staged at Kaisaniemi Park in Helsinki on 14 November 1920, and the first Finnish championship followed in 1922. Pihkala wanted a game that rewarded speed and thinking rather than raw power, and the rules push relentlessly in that direction.

The pitch goes straight up

This is the change that defines the sport. There is no mound and no duel from 60 feet away. The pitcher stands beside the batter at home plate and throws the ball vertically upwards — it must rise at least a metre above the pitcher’s own head and come back down onto the plate. The batter hits it on the way down.

Contact is therefore easy and accurate. Batters place the ball deliberately rather than simply trying to connect, so the contest shifts away from pitcher-versus-batter and towards fielding positions, running decisions and set plays. Batters still get three strikes before they are out.

The field is not a diamond

Pesapallo is played on a pentagonal field, roughly 96 metres long and up to 42 metres wide, narrowing to home plate at one end. The bases are not arranged in a square. They zigzag, alternating from one side of the field to the other, and each leg is longer than the last: about 20 metres from home to first, then progressively further, with the final run home from third somewhere around 40 metres.

Runs, outs and caught runners

Two teams of nine take turns batting and fielding. Runners advance base to base and score by reaching home. The fielding side records an out by getting the ball to the base before the runner arrives, and three outs end the half-inning.

Two quirks stand out. Catching a batted ball in the air does not put the batter out, as it would in baseball; instead, any runner who tried to advance on that play is caught and must return. And a batter who reaches third base on their own hit is credited with a home run, then stays on third to score again later as an ordinary runner.

Two periods, not nine innings

A match is two periods of four innings, each period won separately by whichever side scores more runs in it. Win both and you take the match. Split them and the game goes to a super inning, then a home run contest if still level.

Where pesapallo is played today

Finland remains the heartland, and its position there is genuinely serious. Superpesis, the top division, runs men’s and women’s leagues of thirteen and twelve clubs. The men’s competition is the third most-watched sports league in the country behind ice hockey and football, while the women’s league is the most-watched women’s league of any sport in Finland. Crowds of 5,000 to 8,000 are common in small provincial towns, and more than 11,000 under-18s hold playing licences.

Beyond Finland it is a minority pursuit, kept alive by expatriate communities and enthusiasts in Sweden, Estonia, Germany, Switzerland, Australia, Canada and, more recently, India and Japan. A Pesapallo World Cup has been staged roughly every three years since 1992, with hosts including Australia, Sweden, Germany, Switzerland and India, though Finland has never been seriously challenged. If you do spot the sport listed on Virgin Bet, you are almost certainly looking at Superpesis.