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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Ke6 win in 5 half-moves
3 Ke7 win in 5 half-moves
4 Kf7 win in 5 half-moves
5 Rf8 win in 9 half-moves
6 Kc6 draw
7 Kf5 draw
8 Kg5 draw
9 Kg6 draw
10 Kg7 draw
11 Ra8 draw
12 Re8 draw
13 Rh8 draw
14 Kb6 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves