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

EGTB: win in 4 half-moves

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