Sarioglu dropped a 6-0, 6-2 decision to Louisiana-Lafayette's Yanick Mandl, while Varapongsittikul, who received a first-round bye, fell to Illinois State's Tuomas Manner, 6-1, 6-2.
UNCG senior Orcun Seyrek will participate in the tournament's main draw on Monday.
ITA All-American Championships (Oct. 1, 2011)
Round (Seed) Player (school), result
Yanick Mandl (Louisiana-Lafayette) def. Ahmet Sarioglu (UNCG), 6-0, 6-2
Chanon Varapongsittikul (UNCG) receives first-round bye
Tuomas Manner (Illinois State) def. Chanon Varapongsittikul (UNCG), 6-1, 6-2
- UNCG -