Penn sophomore Justin Lavner knocked off Columbia's Samir Ghia in the first round of "B" Flight Singles at the Princeton Invitational this weekend. [Avi Berkowitz/DP File Photo]
Penn sophomore Justin Lavner knocked off Columbia's Samir Ghia in the first round of "B" Flight Singles at the Princeton Invitational this weekend. [Avi Berkowitz/DP File Photo]