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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ka5 win in 5 half-moves
3 Kcb6 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 Re8 win in 9 half-moves
6 Rg8 win in 9 half-moves
7 Rh8 win in 9 half-moves
8 Kc7 draw
9 Kd7 draw
10 Ra7 draw
11 Rf8 draw
12 Kab5 loss in 2 half-moves
13 Kab6 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kcb5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Ka7 loss in 1 half-moves
20 Kab7 loss in 1 half-moves
21 Kcb7 loss in 1 half-moves