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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kg6 draw
3 Kg7 draw
4 Rb7 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rf7 draw
9 Kg5 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Rg7 loss in 2 half-moves
12 Rh8 loss in 2 half-moves