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 Ka7 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Ra7 draw
7 Rb8 draw
8 Rc8 draw
9 Rg8 draw
10 Kb8 loss in 16 half-moves
11 Ka6 loss in 8 half-moves
12 Kc8 loss in 4 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves