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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb5 win in 9 half-moves
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb7 draw
7 Kc5 draw
8 Kc6 draw
9 Kc7 draw
10 Ra6 draw
11 Ra8 draw
12 Rb1 draw
13 Kb2 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves