Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 K5b6 draw
2 K6b6 draw
3 Kb7 draw
4 Ka7 loss in 10 half-moves
5 K5b5 loss in 2 half-moves
6 K6b5 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Kb4 loss in 2 half-moves