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

EGTB: win in 4 half-moves

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