Single-Elimination Bracket

digraph br {
  rankdir=LR;
  graph [bgcolor=transparent];
  node [shape=box, style="rounded,filled", fontname=Inter, fontsize=10, fillcolor="#dbeafe"];

  S1 [label="Team 1"]; S8 [label="Team 8"];
  S4 [label="Team 4"]; S5 [label="Team 5"];
  S3 [label="Team 3"]; S6 [label="Team 6"];
  S2 [label="Team 2"]; S7 [label="Team 7"];

  Q1 [label="QF 1"]; Q2 [label="QF 2"]; Q3 [label="QF 3"]; Q4 [label="QF 4"];
  SF1 [label="SF 1"]; SF2 [label="SF 2"];
  F   [label="Final", fillcolor="#fef3c7"];
  Champ [label="Champion", fillcolor="#dcfce7"];

  S1 -> Q1; S8 -> Q1;
  S4 -> Q2; S5 -> Q2;
  S3 -> Q3; S6 -> Q3;
  S2 -> Q4; S7 -> Q4;
  Q1 -> SF1; Q2 -> SF1;
  Q3 -> SF2; Q4 -> SF2;
  SF1 -> F; SF2 -> F;
  F -> Champ;
}