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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Ke7 win in 11 half-moves
5 Kc5 win in 13 half-moves
6 Kcc7 draw
7 Kcd6 draw
8 Kd5 draw
9 Kdc7 draw
10 Ra4 draw
11 Ra6 draw
12 Rb7 draw
13 Rc7 draw
14 Kc8 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Kdd6 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra8 loss in 2 half-moves