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 Ke5 win in 5 half-moves
3 Rf8 win in 5 half-moves
4 Rh8 win in 5 half-moves
5 Kfe6 draw
6 Rd8 draw
7 Ke4 loss in 2 half-moves
8 Kee6 loss in 2 half-moves
9 Kef6 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kff6 loss in 2 half-moves
14 Kg4 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Kd6 loss in 1 half-moves
21 Kd7 loss in 1 half-moves
22 Kd8 loss in 1 half-moves