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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb2 draw
3 Kb3 draw
4 Kb7 draw
5 Kb8 draw
6 Kc2 draw
7 Kc7 draw
8 Kd2 draw
9 Kd3 draw
10 Ra1 draw
11 Ra2 draw
12 Ra4 draw
13 Ra5 draw
14 Ra8 draw
15 Rb3 draw
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves