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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kcc7 win in 3 half-moves
3 Kdd7 win in 3 half-moves
4 Rd7 win in 3 half-moves
5 Kb5 win in 7 half-moves
6 Kb6 win in 7 half-moves
7 Kcc5 win in 7 half-moves
8 Kcd5 win in 7 half-moves
9 Kdd5 win in 7 half-moves
10 Rb8 win in 7 half-moves
11 Rc8 win in 7 half-moves
12 Ra8 win in 13 half-moves
13 Kcd7 draw
14 Rh8 draw
15 Kdc5 loss in 2 half-moves
16 Kdc7 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves