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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Kc5 win in 7 half-moves
6 Kb7 draw
7 Kc7 draw
8 Kd7 draw
9 Ke1 draw
10 Ra1 draw
11 Rb1 draw
12 Kc2 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rc5 loss in 2 half-moves