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 Ra4 draw
3 Kb6 loss in 2 half-moves
4 Kb7 loss in 2 half-moves
5 Kcc5 loss in 2 half-moves
6 Kcc7 loss in 2 half-moves
7 Kcd5 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kdc5 loss in 2 half-moves
10 Kdc7 loss in 2 half-moves
11 Kdd5 loss in 2 half-moves
12 Kdd7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Ra8 loss in 2 half-moves
22 Rb6 loss in 2 half-moves