The word "opponent" is correct and usable in written English.
You can use it to refer to a rival, contender, or adversary. For example: "The football team is preparing to face their toughest opponent of the season."
He was a fierce opponent of Argentina's decision to legalise gay marriage in 2010, arguing children need to have the right to be raised and educated by a father and a mother.
First-round opponent: [17] Sara Errani (ITA) A few years ago, drawing Errani on her preferred clay in the first round of the French Open would have you pre-packing your bags.
First-round opponent: [10] Andrea Petkovic (GER) Let's reiterate, with 17 women in the women's singles draw, all but three unseeded, there was a pretty good chance fortune wasn't going to favor most of them.
In Giraldo, he faces a quality Colombian who is at home on the clay, but obviously an opponent against whom he can fancy his chances on any given day.
First-round opponent: [15] Kevin Anderson (RSA) Smyczek skipped the European clay-court season entirely, opting to stay in the US and play some matches on the Har-Tru Challenger circuit in the southern US.
If Young wins that, he could face No17 seed David Goffin – another quality opponent, but another against whom he has a shot – if he's having a very, very good day.
First-round opponent: [WC] Manon Arcangioli (FRA) Drawing a home-country wild card in a Grand Slam is about as good as it gets, and Arcangioli, a 20-year-old ranked No275, is a break.
If she can get past scheduled opponent Victoria Azarenka (finally seeded in a Slam, at No27) in the third round (an unfortunate draw for both) her sister Venus could be standing in her way in the fourth round.
Anwar, whose campaign for the seat vacated by his wife has been overshadowed by allegations of sodomy, which is illegal in Malaysia, won a majority of 15,671 over his government opponent.
The former certainly looks like a prizefighter who has been battered senseless by a meaner, leaner opponent; the latter has endured an equally bruising encounter in the ring but has walked away bleeding badly but still standing after a 12-round points draw.
Bachmann has been a vocal opponent of President Obama.
