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 Kb6 win in 3 half-moves
3 Kb7 win in 3 half-moves
4 Kcd6 win in 3 half-moves
5 Kcd7 win in 3 half-moves
6 Kd5 win in 3 half-moves
7 Rb8 win in 3 half-moves
8 Rd8 win in 3 half-moves
9 Rf8 win in 3 half-moves
10 Kc5 win in 7 half-moves
11 Kc7 win in 7 half-moves
12 Kd8 win in 7 half-moves
13 Kf8 win in 7 half-moves
14 Ra8 win in 7 half-moves
15 Rc7 win in 7 half-moves
16 Re8 win in 7 half-moves
17 Ke8 win in 9 half-moves
18 Ke6 draw
19 Ked6 draw
20 Ked7 draw
21 Kf7 draw
22 Kf6 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves