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 Kb3 draw
3 Kb4 draw
4 Kb5 draw
5 Rf7 draw
6 Ka3 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kg3 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg5 loss in 2 half-moves
11 Kh3 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves