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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc2 draw
8 Kd1 draw
9 Kd2 draw
10 Ra1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb8 draw
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves