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

EGTB: win in 2 half-moves

# move score
1 a3 win in 1 half-moves
2 Kg4 win in 1 half-moves
3 Kg6 win in 1 half-moves
4 Ra6 win in 1 half-moves
5 Ra7 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 Kf4 loss in 2 half-moves
8 Kf5 loss in 2 half-moves
9 Kh4 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Kh6 loss in 2 half-moves
12 Kf6 loss in 1 half-moves
13 Ra5 loss in 1 half-moves
14 Rc8 loss in 1 half-moves
15 Rd8 loss in 1 half-moves
16 Re8 loss in 1 half-moves
17 Rf8 loss in 1 half-moves
18 Rg8 loss in 1 half-moves
19 Rh8 loss in 1 half-moves