By Gene Phelps Daily Journal TUPELO – Sebastian Rios knows the things Tupelo tennis must do well in the postseason in order to win the program’s first state championship since 2009. “Play with a lot of confidence. Play with a lot of intensity. Take it very seriously,” said the junior Ole Miss commitment. Tupelo, the Division 2 champion, took its first step Tuesday, defeating Division 1 runner-up Olive Branch 7-0 in the opening round of the MHSAA Class 6A state team playoffs at Rob Leake City Park courts.