successful candidate; prizewinner
winning number (e.g. in lottery); lucky number
being projected to win; being certain to be elected; being sure of being elected
winning one's first election; being elected for the first time
winning ticket (in a lottery, etc.)
win an election due to another's death or disqualification
invalidation of the election of a politician
failing to win an electoral seat in a single-member constituency, but winning a seat in a proportionally represented constituency
win an election due to another's death or disqualification
(having a) good chance of being elected; being in the running
candidates (in an election) who have won or are projected to be elected
electoral quota (e.g. in a proportional representation system)