TennisONE has been broadcasting the matches for free here:
https://www.tennis.one/tournament and I assume they will continue to do so.
Both the Men's and Women's twitter accounts also have been posting links to the game and the stat-broadcaster in the mornings, I'm not sure what time these will be tomorrow, but you can bet they'll be posted there. Once you're on the site, you'll click the NCAA Tournament icon, can see which court the players are going to be on, and then scroll down and click on the video to make it take up most of your screen.
Prior to this week, I've probably only seen a total of 10 minutes of tennis my entire life, but have been able to catch quite a bit of these matches over the past few days and I think I
finally understand the scoring system. Overall, I really enjoy watching the VCU players play, but so far my favorite moment (aside from seeing VCU win) was during todays doubles when during the first set in the last game the Auburn server smacked his partner upside of the head with the ball during a serve...