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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rc7 win in 1 half-moves
4 Rd7 win in 1 half-moves
5 Re7 win in 1 half-moves
6 Rg7 win in 1 half-moves
7 Rh7 win in 1 half-moves
8 Ka5 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kb7 loss in 2 half-moves
11 Ka2 loss in 1 half-moves
12 Kb1 loss in 1 half-moves
13 Kb2 loss in 1 half-moves
14 Ra8 loss in 1 half-moves
15 Rf7 loss in 1 half-moves