March Madness games today: NCAA Men’s D1 basketball Tuesday First Four matchups
The college basketball tournament begins with the First Four play-in round, in which eight teams will hope to qualify for the First Round proper.


March Madness 2025 officially gets underway today, Tuesday March 18, with the first four of the 68 college basketball hopefuls starting their tournaments.
As has been the case since 2011, the 2025 edition begins with the First Four play-in games, all four of which will be played at the University of Dayton Arena in Dayton, Ohio.
2025 March Madness First Four games on Tuesday, March 18
Two First Four games open the tournament on Tuesday:
South Regional
- Alabama State Hornets vs Saint Francis Red Flash, 6:40 p.m. ET
- San Diego State Aztecs vs North Carolina Tar Heels, 9:10 p.m. ET
2025 March Madness First Four games on Wednesday, March 19
East Regional
- American Eagles vs Mount St Mary’s Mountaineers, 6:40 p.m. ET
Midwest Regional
- Texas Longhorns vs Xavier Musketeers, 9:10 p.m. ET
How to watch 2025 March Madness First four
Fans in the United States can stream all four First Four games on truTV.
2025 March Madness full tournament schedule
The First Round, in which 64 teams will take part, will begin on Thursday, March 20, with the rest of the tournament taking place over the following two and a half weeks.
The full schedule for the tournament is as follows:
- First Round/Round of 64: March 20-21
- Second Round/Round of 32: March 22-23
- Regional semifinals/Sweet 16: March 27-28
- Regionals Finals/Elite 8: March 29-30
- National semifinals/Final Four: April 5 (Alamodome in San Antonio, Texas)
- National Championship Game: April 7 (Alamodome in San Antonio, Texas)
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