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 Ra8 win in 3 half-moves
3 Ka5 win in 5 half-moves
4 Ka6 win in 5 half-moves
5 Kb5 win in 5 half-moves
6 Kbb7 win in 5 half-moves
7 Kbc6 win in 5 half-moves
8 Rh8 win in 5 half-moves
9 Ka7 win in 9 half-moves
10 Kb8 draw
11 Kcb7 draw
12 Kcc6 draw
13 Kd6 draw
14 Kd7 draw
15 Kd8 draw
16 Rb8 draw
17 Kc5 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves