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 Kg7 draw
3 Kg8 draw
4 Kh8 draw
5 Rb6 draw
6 Rb7 draw
7 Rg8 draw
8 Rh8 draw
9 Kg6 loss in 4 half-moves
10 Kh6 loss in 4 half-moves
11 Rb5 loss in 4 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rc8 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 Rb4 loss in 1 half-moves