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

EGTB: win in 2 half-moves

# move score
1 Kb3 win in 1 half-moves
2 Kb4 win in 1 half-moves
3 Kg7 win in 1 half-moves
4 Rf8 draw
5 Ka3 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kg5 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Kh7 loss in 1 half-moves
18 Rh7 loss in 1 half-moves