How to arrange the rounds of badminton six-person round robin?

Take a serpentine arrangement, six people draw lots for 1-6, the first round is as follows, then the position of 1 is fixed in each round, and the rest of the numbers are rotated counterclockwise by one grid.

Detailed arrangement

first inning

1-6

2-5

3-4

Second round

1-5

6-4

2-3

Third round

1-4

5-3

6-2

The fourth round

1-3

4-2

5-6

Fifth round

1-2

3-6

4-5