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 Kd7 win in 3 half-moves
3 Kdc7 win in 3 half-moves
4 Rb7 win in 3 half-moves
5 Ra8 win in 9 half-moves
6 Kdc6 win in 11 half-moves
7 Rd8 win in 11 half-moves
8 Ke6 draw
9 Ke7 draw
10 Rf8 draw
11 Ka5 loss in 2 half-moves
12 Ka6 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kbc5 loss in 2 half-moves
16 Kbc6 loss in 2 half-moves
17 Kbc7 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kdc5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves