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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kd7 draw
7 Ra6 draw
8 Rc8 draw
9 Kd6 loss in 6 half-moves
10 Kc8 loss in 4 half-moves
11 Kd8 loss in 4 half-moves
12 Ra4 loss in 4 half-moves
13 Ra5 loss in 4 half-moves
14 Ra7 loss in 4 half-moves
15 Rb8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Ra1 loss in 1 half-moves
21 Ra2 loss in 1 half-moves
22 Ra3 loss in 1 half-moves