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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Kd5 win in 1 half-moves
4 Kd6 win in 1 half-moves
5 Rf7 win in 1 half-moves
6 Rg7 win in 1 half-moves
7 Rh7 win in 1 half-moves
8 Rb7 draw
9 Rc8 draw
10 Kc5 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Kb7 loss in 1 half-moves