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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kf5 draw
3 Kf6 draw
4 Kf7 draw
5 Kh5 draw
6 Kh6 draw
7 Kh7 draw
8 Ra7 draw
9 Rh7 draw
10 Kg5 loss in 4 half-moves
11 Rg8 loss in 4 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves