Opata, Callis appear in ITA's national rankings again Ed Cassiere 04/04/10 NEW ORLEANS -- Xavier University of Louisiana seniors Anastesia Opata and Angelina Callis still are among the NAIA's best women's singles and doubles players, according to Intercollegiate Tennis Association rankings announced Monday.Opata is 19th and Callis is 46th in singles, and they're ninth as a doubles team. This is the first ITA national ranking since November, when Opata was tied for 18th and Callis was unranked in singles and the two were 14th in doubles.Opata, from Lawrenceville, Ga., and a graduate of Central Gwinnett High School, is 15-7 in singles this season. Callis, from Los Angeles and a graduate of Dorchester (Mass.) High School, is 16-6 in singles. They're 14-9 in doubles.This is the third consecutive year that Opata has been ranked in singles and doubles. It's the second straight year that Callis has earned a singles ranking and the third year of four she's made the doubles list.