If seed 9 won the tournament then what is the minimum points scored by him in stage 1 given that minimum number of upsets in the tournament?

Seed 9 will play with seed, 1, 3, 5, 7, 11, 13, and 15 without an upset seed 9 can with seed 11, 13, and 15, for minimum number of upset let seed 1 won all the matches and seed 9 won against seed 3 and 5, in that case number of wins of seed 3 and 9 is 5 but with tie breaker rule seed 9 will advance to the next stage.