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

EGTB: win in 4 half-moves

# move score
1 Kb8 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Kc5 win in 9 half-moves
4 Kc6 draw
5 Kd8 draw
6 Kdc7 draw
7 Kdd7 draw
8 Ke6 draw
9 Ke7 draw
10 Ra4 draw
11 Ra6 draw
12 Kb7 loss in 2 half-moves
13 Kcc7 loss in 2 half-moves
14 Kcd7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra3 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves