Oklahoma City opens at San Antonio's Frost Bank Center on Tuesday at 9:30 p.m. Eastern. The game begins a new regular season for both clubs; their records are 0–0.
Reported facts: expected lineups and available options
The San Antonio Express-News lists probable Spurs starters De'Aaron Fox, Stephon Castle, Dylan Harper, Devin Vassell and Victor Wembanyama. Its probable Thunder group is Shai Gilgeous-Alexander, Cason Wallace, Jalen Williams, Chet Holmgren and Isaiah Hartenstein. These are probable groups, not confirmed opening lineups.
The NBA's 7:15 a.m. Eastern report lists San Antonio's Tobias Harris and Jayden Quaintance out. Oklahoma City's Thomas Sorber, Nikola Topic and Otega Oweh are also out. Availability can change with later submissions; the absence of a designation for a player is not a promise about his minutes.
San Antonio won its last two preseason games, 123–103 against Phoenix and 126–97 against Sacramento. Oklahoma City finished its exhibition schedule with a 116–89 loss to Houston after a 114–112 overtime win over Indiana. Exhibition records and lineups should remain separate from the new season's competitive sample.
ISR analysis: watch what the alignment makes possible
If Oklahoma City uses Holmgren and Hartenstein together, the question is not simply whether the lineup is tall. Follow which big occupies the paint, which one creates space and how San Antonio assigns Wembanyama. His starting position on defense affects the distance he must cover to challenge a drive or recover toward the rim.
At the other end, observe the spacing around Fox, Castle and Harper. A successful initial drive can lose its advantage if another defender is already waiting in the next lane. A timely cut or an extra pass can instead turn that help into a new opening. Those are process observations, not a forecast of shooting percentages.
The first substitution cycle may alter the matchup more than the opening tip. Record whether either club changes the number of big men, the primary ballhandler or the player responsible for the last rebound. Compare those actual units rather than attaching one game-long label to the team.
Factors to watch
- Whether the probable starting groups are confirmed.
- Wembanyama's defensive assignment away from the ball.
- Oklahoma City's spacing with two big men.
- How the first substitutions change driving lanes and rebounding responsibility.
Market snapshot and source check
Source: DraftKings odds displayed by ESPN’s game page, checked October 20, 2026, 7:55 a.m. EDT. Displayed line: SA -1.5; total 231.5. This is a timestamped source snapshot, not a closing-line claim or a betting recommendation. Scheduled starters and availability may change before the game.
