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 Kf7 draw
3 Kf8 draw
4 Kg8 draw
5 Kh7 draw
6 Kh8 draw
7 Rb6 draw
8 Rb7 draw
9 Rf8 draw
10 Rg8 draw
11 Kf6 loss in 6 half-moves
12 Kg6 loss in 4 half-moves
13 Kh6 loss in 4 half-moves
14 Rb3 loss in 4 half-moves
15 Rb5 loss in 4 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rb4 loss in 1 half-moves