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 Kc7 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Kd8 win in 5 half-moves
5 Rb8 win in 5 half-moves
6 Kb8 win in 11 half-moves
7 Kc2 draw
8 Kc3 draw
9 Kc4 draw
10 Kd2 draw
11 Kd4 draw
12 Ke2 draw
13 Ke3 draw
14 Ke4 draw
15 Ra4 draw
16 Ra5 draw
17 Ra6 draw
18 Ra7 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves