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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kd6 draw
7 Kd7 draw
8 Rc8 draw
9 Re1 draw
10 Re5 draw
11 Re6 draw
12 Rf8 draw
13 Kd8 loss in 6 half-moves
14 Kc8 loss in 4 half-moves
15 Re7 loss in 4 half-moves
16 Rb8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves