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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Ra8 win in 7 half-moves
4 Kc8 draw
5 Kcd6 draw
6 Kd8 draw
7 Kdc7 draw
8 Kdd6 draw
9 Ke8 draw
10 Ra3 draw
11 Ra7 draw
12 Kb5 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kcc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves