W1 and W2 stand for 'Winner 1' and 'Winner 2'. This already can tell the meaning of the markets. It refers to the essential event that happens in games, which is who won the match. At 1xBet, 'Winner 1' or W1 represents a stake placed on the home city team, while 'Winner 2' or W2 symbolizes a bet on the guests.
Let's say you joined an online sportsbook with a risk-free bet welcome offer. You placed a $100 bet, and it lost, so the sportsbook refunded your account with $100 in free betting credits tied to a 1x wagering requirement. Those credits must then be wagered one time (1x) to turn them into real money for cashing out.