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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc8 draw
5 Kd7 draw
6 Kd8 draw
7 Rc8 draw
8 Rg6 draw
9 Rg7 draw
10 Kd6 loss in 10 half-moves
11 Kb6 loss in 6 half-moves
12 Kc6 loss in 6 half-moves
13 Rg3 loss in 4 half-moves
14 Rg5 loss in 4 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg4 loss in 1 half-moves