The Friendly Islanders suffered their second loss in the four-team tournament at the ANZ Stadium in Laucala Bay, Suva on Saturday after being thrashed 50-0 by Samoa A.
Fiji Times reports Lolohea's boys simply had no answer to the Samoan onslaught in an entertaining, open-style game.
"Yes. It's a disappointing performance but I'm all right with that," Tonga A head coach Isi Fatani said.
"We have a lot of new players from U21.
"This is the first time for most to play in a tournament like this. This is new to them.