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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Rd1 win in 1 half-moves
3 Rd2 win in 1 half-moves
4 Rd3 win in 1 half-moves
5 Rd4 win in 1 half-moves
6 Rh8 loss in 4 half-moves
7 Kc7 loss in 2 half-moves
8 Kd7 loss in 2 half-moves
9 Rd5 loss in 2 half-moves
10 Rd6 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Kb8 loss in 1 half-moves