Roundnet is a 2v2 sport played around a small circular net on the ground, by 4 players. Your team gets up to three touches to put the ball back onto the net, and once the serve is away there are no sides and no boundaries: all four players move wherever they need to.
You probably arrived here calling it Spikeball. Almost everyone does, and it is not a mistake. That is the next section, because it is the question behind the question.
Written by Jakub Popluhar, roundnet coach since 2019, 1,000+ coaching hours, former national coach of Belgium.
Roundnet is the sport. Spikeball is a brand. Spikeball Inc. is the American company that took the game to a mass audience from 2008 onward and sells the best known equipment for it. It worked so well that the brand name arrived in most countries long before the name of the sport did.
You already know this pattern from other sports. Frisbee is a brand, the sport is ultimate. Jacuzzi is a brand, the thing is a hot tub. Nobody is wrong for saying Spikeball, and no competitive player will correct you at the park.
"So why bother with the other word at all, Jakub?" Because once you look for a club, a tournament or a national team, the sport is filed under roundnet. The world championship is the Roundnet World Championship. The federations are the International Roundnet Federation, the European Roundnet Association, the Asian Roundnet Federation. Your national body will be called something like Roundnet Germany. Search for Spikeball and you find a shop. Search for roundnet and you find the sport.
There is a second reason, and it is more practical: Spikeball is no longer the only manufacturer. Bamball, Premier Spike, Rumble Roundnet and Rashball build sets that players compete on. A sport that is named after one of its suppliers has a problem the day it wants more than one.
Four players, one net, roughly a metre across and about ankle height. Two on each team. Here is a rally from start to finish.
That is the entire ruleset a beginner needs. You can play your first rally within minutes of seeing a net, which is exactly why the sport spread through parks and beaches before it ever had a federation.
Both, and I would not want it any other way. The five minutes it takes to start are the reason anyone tries it at all. What happens after those five minutes is the reason people stay for years.
The competitive game is built on serve pressure and serve receive. At the top level a server can win five or six points in a row on his own, and the receiving player is essentially guessing which way the ball will break before it even hits the net, the way a goalkeeper guesses in a penalty shootout. That is the skill gap that takes years, and it is invisible from the outside.
The structure around it is real too. National governing bodies, a ranked tour series in Europe and another in North America, national championships, European championships, and a World Championship. The second edition was held in London in 2024, hosted by British Roundnet, with 79 teams from 34 countries in the men's individual division alone and 66 athletes from 28 countries in the women's.
Mostly adults who started as adults. That surprises people. Walk into a European tournament and you find former volleyball, handball and football players in their twenties and thirties who picked the sport up three or four years ago and are now on a national team. Roundnet is young enough that almost nobody grew up with it.
It also travels unusually well. The community is small enough that you meet the same faces in Barcelona, Bologna and Bern within one season, and large enough that there is something to travel to nearly every weekend from spring to autumn.
Find a net and play. That genuinely is the first step, and it costs nothing but an afternoon. After that, the fastest progress comes from playing with people better than you, which usually means finding the nearest club or community rather than buying anything.
If you want the sport explained properly rather than absorbed by trial and error, that is what coaching is for, and once a year we put a whole week of it in one place at the FRESH camp in Mallorca. Neither is necessary to enjoy the game. Plenty of very good players never had a coach. If you have just bought a set and want the practical side instead, start with the beginner's guide.
The game is the same. The name is not. Roundnet is the sport, Spikeball is the brand that popularised it and sells the best known equipment for it.
Two. Every sanctioned tournament division is two against two, four players around one net. Casual variants with more players exist, but competitive roundnet is 2v2.
Up to three, before the ball has to be back on the net. Almost every rally uses all three: receive, set, hit.
No. Once the serve is away, all four players can move anywhere around the net. This is the single biggest difference from net sports like volleyball or badminton, and the hardest habit for players coming from those sports to unlearn.
Most competitive players did exactly that. The sport is young enough that starting in your twenties or thirties is normal rather than late, and a background in any ball sport transfers well.
To play at all you need access to a net, not ownership of one. Clubs and communities have sets, and the fastest way to start is to turn up where people are already playing. If you do buy, several manufacturers now make tournament-grade equipment: Spikeball, Bamball, Premier Spike, Rumble Roundnet and Rashball among them.
Yes. The Roundnet World Championship is run under the International Roundnet Federation. The second edition took place in London in 2024, hosted by British Roundnet.