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 Ke7 win in 7 half-moves
3 Kf6 win in 7 half-moves
4 Rf8 win in 7 half-moves
5 Rh8 win in 7 half-moves
6 Kg7 win in 9 half-moves
7 Kg6 draw
8 Ra8 draw
9 Re8 draw
10 Ke8 loss in 4 half-moves
11 Kf8 loss in 4 half-moves
12 Kg8 loss in 4 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Kc6 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 Ke6 loss in 2 half-moves
21 Rb8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves