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 Ka4 win in 9 half-moves
3 Ka5 win in 9 half-moves
4 Kb4 win in 17 half-moves
5 Ka6 draw
6 Kb1 draw
7 Kb6 draw
8 Kc2 draw
9 Kd1 draw
10 Kd2 draw
11 Ra2 draw
12 Ra3 draw
13 Ra4 draw
14 Ra5 draw
15 Ra8 draw
16 Rb1 draw
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves