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 Kc6 draw
3 Kd6 draw
4 Ke6 draw
5 Ke7 draw
6 Rb8 draw
7 Rc8 draw
8 Rd8 draw
9 Re2 draw
10 Rf8 draw
11 Kc7 loss in 22 half-moves
12 Re1 loss in 6 half-moves
13 Kc8 loss in 4 half-moves
14 Kd8 loss in 4 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Re3 loss in 1 half-moves
21 Re4 loss in 1 half-moves