Tennis betting: a two-outcome market
Tennis is an individual sport with only two outcomes per match, which makes it one of the easiest markets to read and calculate. From Grand Slams to lower tours, the logic of the prices is the same. No tips or player statistics here: just the markets.
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Match winner and margin
With two outcomes the margin is visible at once. Example: odds of 1.40 and 3.00 imply 71.4% and 33.3%, a total of 104.7%, so the margin is about 4.7%. The more one-sided the match, the closer the favourite's price gets to 1 and the less a single bet on them returns.
Set betting and game handicaps
Set betting asks for the exact score in sets (2-0 or 2-1 in a best-of-three match). A game handicap adds or removes virtual games: "-3.5 games" wins if the favourite finishes at least four games ahead. Total games (over/under) is about the length of the match, not who wins.
| Market | What you bet on | Worth knowing |
|---|---|---|
| Match winner | who wins | retirement rules |
| Set betting | score in sets | best of three or five |
| Game handicap | game difference | half-game lines |
| Total games | number of games | tie-break counted as a game |
Retirements: the rule to read first
A player can retire mid-match. Bookmakers settle such bets differently: some void them unless a set was completed, others pay the player who advances. The rule is in the operator's betting terms; read it, because it changes the outcome.
Point-by-point live markets
Live tennis prices move on every point, with markets on the next game. The pace is fast and broadcast delay matters: single-point bets are close to pure chance, with high margins.
Bankroll and the calendar
The tennis calendar barely stops, with matches at every hour across time zones. A daily cap on bets and a flat unit, say 2 from 150 a month, stop a tournament becoming a marathon.
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