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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Ra6 win in 3 half-moves
5 Rb8 win in 3 half-moves
6 Rd8 win in 3 half-moves
7 Kd8 win in 5 half-moves
8 Ra7 win in 5 half-moves
9 Ka4 win in 11 half-moves
10 Kd6 win in 15 half-moves
11 Ke6 win in 15 half-moves
12 Kf6 win in 17 half-moves
13 Kd7 win in 19 half-moves
14 Ke8 win in 19 half-moves
15 Kf8 win in 19 half-moves
16 Ka6 win in 23 half-moves
17 Kf7 win in 23 half-moves
18 Rc8 draw
19 Re8 draw
20 Rf8 draw
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves