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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Rd6 win in 1 half-moves
4 Re6 win in 1 half-moves
5 Rf6 win in 1 half-moves
6 Rg6 win in 1 half-moves
7 Rh6 win in 1 half-moves
8 Ka7 loss in 1 half-moves
9 Kb7 loss in 1 half-moves
10 Ra1 loss in 1 half-moves
11 Ra2 loss in 1 half-moves
12 Ra3 loss in 1 half-moves
13 Ra4 loss in 1 half-moves
14 Ra5 loss in 1 half-moves
15 Ra7 loss in 1 half-moves
16 Rb6 loss in 1 half-moves