Four games Sunday, and the slate opens with the kind of nationally televised marquee matchup that defines a WNBA week — A'ja Wilson and the defending champion Las Vegas Aces walk into State Farm Arena for Atlanta's home debut in front of Angel Reese and a Dream crowd that has been waiting for this moment. Caitlin Clark hosts Flau'jae Johnson and the Seattle Storm in a second NBC showcase game at Gainbridge Fieldhouse. Then the night stretches west with the 2-1 Minnesota Lynx visiting Chicago to test the Sky's unbeaten record, and the Los Angeles Sparks making the trip to Toronto in a game that is about as close on paper as anything the league has offered this week. Here's what to watch.

Las Vegas Aces @ Atlanta Dream | 1:30pm ET | NBC, Peacock

This is the most anticipated game of the young season. The Las Vegas Aces arrive in Atlanta for the Dream's home debut — Angel Reese's first game at State Farm Arena in the Dream uniform — and NBC's Sunday morning showcase delivers the league's signature individual matchup: the four-time MVP who has won three championships against the rebounding force who has already changed how Atlanta's defense and second-chance offense function in the first week of the season.

The Aces are 2-1, with the opening-night loss to Phoenix looking increasingly like an outlier. Back-to-back blowout wins over the Los Angeles Sparks and Connecticut Sun — the latter by 29 points — established this team's ceiling in a hurry. Wilson has been operating at the level that defines his MVP campaigns: dominant, efficient, and engaged on both ends. Jackie Young and Chelsea Gray provide the kind of supporting infrastructure that championship teams require, and the Aces' defensive rotations are the most disciplined in the league. Atlanta's last 11 games against Las Vegas have gone 10-1 in the Aces' favor. That history matters in a game this early, when the Dream are still integrating Reese into their offensive and defensive schemes.

Atlanta's home debut is not without its own energy. Reese's introduction to the State Farm Arena crowd is the kind of moment a franchise builds marketing campaigns around, and the Dream are a legitimate contender — Rhyne Howard and Allisha Gray remain the most dangerous two-way perimeter pairing in the East, Karl Smesko's offense ranked second in the league last season, and Reese's rebounding presence has already reshaped how teams attack Atlanta's halfcourt. The Dream opened the season 1-1 on the road. Whether they can do it at home against the best team in the league is the first real test of their championship credentials.

Atlanta wins if the home debut energy translates into the kind of sustained defensive intensity that slows Wilson's rhythm in the halfcourt, Reese wins the interior battle and generates second-chance opportunities that keep the Dream's offense functional, and Howard and Gray make enough shots to force Las Vegas to defend the perimeter rather than concentrating its scheme entirely on taking away Atlanta's paint touches.

Las Vegas wins if Wilson imposes herself from the opening possession in the way she has in 10 of the last 11 meetings between these teams, the Aces' defensive scheme smothers Atlanta's spacing and limits the transition opportunities that Smesko's offense relies on, and the road environment proves no more challenging for a championship team than any other stop on the schedule.

Prediction: Las Vegas -3.5. The historical record — 10-1 in Las Vegas's favor over the last 11 — is not noise. Wilson on a national stage against a team making its home debut is the kind of spot where the defending champion tends to assert herself. Computer models project Las Vegas at approximately 65% win probability. Atlanta's crowd will be electric. But the Aces are the better team, and a healthy, motivated Wilson makes that gap difficult to close. Aces win and cover.

Indiana Fever vs. Seattle Storm | 6:00pm ET | Peacock, NBCSN

The second half of NBC's Sunday doubleheader brings Caitlin Clark back to Gainbridge Fieldhouse for the first home game of her return season. Seattle brings Flau'jae Johnson — the No. 8 overall pick and the player most closely associated with Clark in the early-season narrative around emerging WNBA stars — into Indianapolis for a nationally televised matchup that the broadcast partners built into the schedule for exactly this moment.

Indiana is 1-2, the Fever's record shaped by the opening loss to Dallas and the bounce-back win over the Sparks in Los Angeles where Clark delivered 24 points and nine assists followed by an overtime thriller where the Fever came up just short. The Fever's home environment is one of the WNBA's most reliable competitive advantages — Gainbridge Fieldhouse has sold out every game in Clark's tenure and generates a sustained intensity that road teams consistently cite as among the most difficult they face. Kelsey Mitchell and Aliyah Boston give Indiana a supporting cast capable of carrying the load when opposing defenses load up on Clark's facilitation, and the Fever's depth allows Stephanie White to manage rotations without sacrificing production.

Seattle is 1-2 after a week that delivered a road win over Connecticut and two losses against Golden State and Atlanta. The Storm are building around Dominique Malonga's second-year development, Awa Fam's length and athleticism, and Johnson's scoring instinct — and the combination has been more competitive than the record suggests. Johnson has made enough plays in the early season to justify the hype that surrounded her as the No. 8 pick, and the matchup between her offensive game and Indiana's perimeter defense is the individual subplot worth tracking inside a game the Fever should control.

Seattle wins if Johnson puts together the kind of performance that defines a rookie's early-season narrative — high-volume, efficient scoring on a national stage against one of the league's most engaged home crowds — and the Storm's defensive personnel limit Clark's facilitation enough to keep Indiana's offense from establishing the rhythm that made the Sparks game look comfortable.

Indiana wins if Clark facilitates at the level she showed in Los Angeles, Mitchell contributes the secondary scoring that makes Indiana's offense genuinely hard to guard at multiple levels, and Gainbridge Fieldhouse provides the kind of home energy that has made the Fever one of the league's most difficult home opponents since Clark's arrival.

Prediction: Indiana -2.5. The spread is tight for a nationally televised home game — the market is respecting Seattle's competitiveness even with a 1-2 record. Computer models project Indiana at approximately 60% win probability, consistent with a narrow spread. Fever win and cover.

Minnesota Lynx @ Chicago Sky | 6:00pm ET | Local Broadcasters

Minnesota is 2-1 and carrying real momentum into Chicago — a record that looks better than what the box scores suggested through the first week, and a sign that this team has found ways to win even without Napheesa Collier. Collier is not expected back until June, and every game the Lynx bank before her return makes the eventual arrival of their full roster that much more manageable. Kayla McBride's status for Sunday remains worth monitoring after Thursday's questionable designation, and her presence at the perimeter is the variable that most changes Minnesota's offensive ceiling — without her shooting, Olivia Miles is left operating pick-and-roll sets without the spacing threat that makes her playmaking most dangerous.

Chicago is 2-1 and one of the more interesting teams in the East through the first week and a half of the season. The Sky beat Portland on opening weekend and followed that with a road win at Golden State — a result that established this team as legitimately more capable than their preseason projections suggested. Their first loss has tempered the unbeaten narrative but not the substance: Kamilla Cardoso remains Chicago's most reliable interior piece, Skylar Diggins-Smith's veteran floor leadership gives the Sky organizational composure, and Rickea Jackson's perimeter shooting prevents teams from loading up on Cardoso without consequence.

Sunday night in Wintrust Arena is a mirror matchup — two teams at 2-1, both with claims to being more competitive than their early results fully capture, both missing something they expect to get back. Minnesota is waiting on Collier. Chicago is still defining what its best offensive version looks like. Whoever asserts their identity earliest tends to win games like this.

Minnesota wins if McBride is available and gets going from the perimeter early enough to loosen Chicago's defensive scheme, Miles manages the offense with the clean decision-making she has shown in flashes, and the Lynx's defensive discipline limits Diggins-Smith's ability to push pace in the ways that have defined Chicago's best wins.

Chicago wins if Diggins-Smith controls the tempo and forces Minnesota into the kind of halfcourt grind that exposes the Lynx's offensive limitations without Collier's scoring, Cardoso wins the interior battle against Minnesota's frontcourt, and Wintrust Arena gives the Sky the home energy that has been a factor in their wins this season.

Prediction: Chicago -1. Two 2-1 teams, one at home, one without their best player. Computer models give Chicago a slim edge — approximately 53% win probability — based on home court and Diggins-Smith's ability to control tempo against a Lynx team still building its offensive identity without Collier. Sky win and cover, narrowly.

Los Angeles Sparks @ Toronto Tempo | 7:00pm ET | TSN, Local Broadcasters

Both teams arrive at Coca-Cola Coliseum at 1-2, and the pressure is real for different reasons. Los Angeles entered the season with playoff expectations and a roster built specifically to compete — Kelsey Plum, Nneka Ogwumike, Dearica Hamby, Ariel Atkins. One win in three games is not the start Lynne Roberts envisioned, and the defensive breakdowns that have allowed 96 points per game represent a structural problem that hasn't been addressed in the early going. Plum has been individually productive but the Sparks' losses have been decided in the fourth quarter, where the defensive lapses become most costly.

Toronto is 1-2 but not without their own confidence. The Tempo's first win of the season — against a team they had no business beating on paper — demonstrated that this expansion roster is capable of executing when Mabrey is operating at both ends and the home crowd is involved. The subsequent loss revealed the inconsistency that is part of any first-year team's reality: Sandy Brondello is a championship-level coach building a system from scratch, and the growing pains are real even when the talent is evident. Sunday's home game against a Sparks team at the same record is the most evenly matched game Toronto will see for a while.

Neither team has established the defensive identity required to consistently win in this league, and both offenses have shown enough firepower to put up 85 points on any given night. The moneyline being essentially even reflects how genuinely close this game figures to be.

Toronto wins if Mabrey plays with the playmaking vision that her experience demands alongside her scoring, the home crowd provides the energy that has made Coca-Cola Coliseum a factor in Toronto's best performances, and the Tempo's defensive scheme exploits the perimeter vulnerabilities that multiple opponents have found against the Sparks.

Los Angeles wins if Plum operates at the high-efficiency level that defines her best performances, Ogwumike controls the glass and limits Toronto's second-chance opportunities, and the Sparks' talent advantage finally shows up consistently for 40 minutes against a team at the same record.

Prediction: Los Angeles -1. Two 1-2 teams, one at home, one with a more talented roster on paper. Computer models project Los Angeles at approximately 51% win probability — essentially a coin flip. The Sparks have the individual talent edge in Plum and Ogwumike, but Toronto has home court and a crowd that has been a genuine factor. Toronto wins at home and covers.

Wilson vs. Reese on NBC is the obvious answer, and it deserves the attention it will get — the defending champion visiting the Dream's home debut is the kind of first-month game that tells you where the Eastern Conference race is going. But the Sunday night games carry their own weight: the 2-1 Lynx visiting 2-1 Chicago is as evenly matched as the league has offered this week, and two 1-2 teams colliding in Toronto is the kind of early-season game that nobody will remember in September but could matter in the playoff race more than the box score suggests.