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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ka7 draw
3 Kb8 draw
4 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Kf4 draw
8 Kf6 draw
9 Kg4 draw
10 Kg6 draw
11 Rg1 draw
12 Rg6 draw
13 Rg7 draw
14 Rg8 draw
15 Rh5 draw
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves