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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kb7 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Kcd7 draw
6 Kdd7 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Rh7 draw
12 Kdc5 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 Kcc5 loss in 1 half-moves
17 Kcd5 loss in 1 half-moves
18 Kdd5 loss in 1 half-moves
19 Ra7 loss in 1 half-moves
20 Rc8 loss in 1 half-moves