Washington Mystics vs. Las Vegas Aces Prediction: Aces Look to Sweep Home-and-Home

Two nights after Las Vegas beat Washington on its own floor, the Mystics get an immediate shot at revenge — except this time the rematch is in the desert, where A’ja Wilson has been nearly unbeatable all season.

Quick take:

• Pick: Las Vegas Aces -6.5
• Why: Wilson is playing MVP-level basketball at home and Washington is banged up on the wing just two days removed from a loss in this same building
• The number to watch: A’ja Wilson’s 26.3 PPG on 52.3% shooting

Washington arrives at Michelob ULTRA Arena at 19-13, sitting third in the East, still buzzing from a seven-game winning streak that only ended Tuesday night — in this same building, against this same opponent, 86-76. It was the franchise’s longest winning streak since the 2019 championship season, and five of those seven wins came against teams currently holding playoff position. Las Vegas, at 23-11 and third in the West, has won five of its last six and gets a golden chance to make it a sweep of the home-and-home before the Mystics fly back east.

This is essentially the second half of a home-and-home mini-series, and that context matters. Teams that just lost don’t usually get an immediate chance to fix it 48 hours later against the exact same opponent, in the exact same building. Whatever adjustments Washington’s coaching staff wants to make, they have almost no time to make them.

The Rematch Nobody Wanted This Fast

Books clearly think Tuesday’s result was closer to the truth than Washington’s win streak suggested. Las Vegas opened as a 6.5-to-7.5-point favorite depending on the book, with the moneyline sitting around -260 to -278 for the Aces and Washington getting anywhere from +210 to +235. The total has settled in the 169.5-170.5 range, and the market’s early lean is toward the over, with roughly 64% of bettors on Covers backing that side. For a rematch played 48 hours apart, that’s a notably bigger number than a pure coin-flip line — the market isn’t buying Washington bouncing back in the same building where it just lost. Bettors comparing lines across sportsbook reviews will find the number varies slightly, but every major book has Las Vegas favored by at least a touchdown-plus in basketball terms.

Thursday, September 17 at 10:00 PM	Spread	Money	Total
Las Vegas Aces	-8.5 (-115)	-370	O 173.5 (-108)
Seattle Storm	+8.5 (-112)	+295	U 172.5 (-104)

Recent Form

Washington’s win streak and Tuesday’s loss tell two different stories about where this team actually is right now heading into a second look at the same opponent.

Showing 10 of last 10 meetings

Wilson’s MVP Case Meets a Shorthanded Mystics Wing

A’ja Wilson is putting up 26.3 points, 9.6 rebounds and north of 3 steals a night on 52.3% shooting, and she’s doing it with a usage rate that’s carried Las Vegas through a stretch where the Aces have needed every bit of it. She had the ball in her hands constantly in Tuesday’s win, and there’s no reason to expect anything different in the second half of this home-and-home. Chelsea Gray and Jackie Young give her enough shot creation around the arc that Washington can’t simply load up on Wilson without conceding open threes elsewhere.

Washington’s counterpunch is its young frontcourt duo. Sonia Citron has been one of the most efficient guards in the league — 17.1 points a game on 46.3% shooting, and she was just named Eastern Conference Player of the Week — while Kiki Iriafen has quietly built a near double-double season (15.1 points, 9.1 rebounds) as the emotional center of the league’s youngest roster. Both were rookies just a season ago, and both have taken real leaps: Citron is shooting a better percentage on similar volume compared to her debut year, while Iriafen ranks among the league’s top rebounders at her position without needing more shot attempts to get there.

The problem is depth. Betnijah Laney-Hamilton is day-to-day with a personal matter and has already missed multiple games down the stretch, thinning a Washington bench that doesn’t have much margin for absences against a Las Vegas team that, even with Kierstan Bell, Dana Evans and Cheyenne Parker-Tyus all questionable, still trotted out enough firepower to win by 10 on Tuesday. Janiah Barker is out for the season for Las Vegas, but the Aces have enough talent at the top of the roster to absorb bottom-of-the-bench injuries in a way Washington’s thinner rotation can’t quite match.

There’s also a simple physical reality at play: Washington played 40-plus minutes of high-stakes basketball in this building on Tuesday and now has to do it again on a short turnaround, without much time to treat bumps and bruises picked up in a physical loss.

Las Vegas beat Washington 86-76 on Tuesday with three rotation pieces — Bell, Evans and Parker-Tyus — all sidelined, and still controlled the game behind Wilson.

That’s the number that matters most heading into Thursday. If the Aces can win comfortably shorthanded, a fuller lineup at home two nights later is a tough matchup for a Washington team that’s already thin on the wing. The Mystics’ seven-game streak was legitimate — five of those wins came against playoff teams — but it happened without having to solve Wilson twice in one week.

Prediction and Best Bet

Washington has been one of the league’s best stories in August, and Citron and Iriafen aren’t going away quietly. But asking this roster to beat a motivated, mostly-healthy Wilson twice in 48 hours, on the road, right after she just torched them, is a lot to ask. Expect Las Vegas to control the paint early and pull away in the fourth.

The pick:

1. Prediction: Las Vegas Aces 88, Washington Mystics 79
2. Best Bet: Las Vegas Aces -6.5

Wilson’s dominance at home makes the Aces a lean even at a short number, and the spread is the more attractive play than the moneyline price.