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 Kb7 win in 3 half-moves
3 Kcc7 win in 3 half-moves
4 Kcd5 win in 3 half-moves
5 Kcd7 win in 3 half-moves
6 Kdc7 win in 3 half-moves
7 Ke7 win in 3 half-moves
8 Rb8 win in 3 half-moves
9 Rc7 win in 3 half-moves
10 Kcc5 win in 5 half-moves
11 Kdc5 win in 5 half-moves
12 Kdd5 win in 5 half-moves
13 Ke5 win in 5 half-moves
14 Ke6 win in 7 half-moves
15 Kb6 draw
16 Kdd7 draw
17 Ra8 draw
18 Rd8 draw
19 Rh8 draw
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves