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

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kb5 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kcb6 win in 3 half-moves
5 Kcb7 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Rc8 win in 3 half-moves
8 Ka6 win in 5 half-moves
9 Kc7 win in 5 half-moves
10 Kd5 win in 5 half-moves
11 Kd6 win in 5 half-moves
12 Kab6 loss in 2 half-moves
13 Kab7 loss in 2 half-moves
14 Kb8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves