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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb4 win in 5 half-moves
4 Kb2 draw
5 Kb3 draw
6 Kc2 draw
7 Kc7 draw
8 Kc8 draw
9 Ra1 draw
10 Ra3 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Kc4 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves