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 Kc7 draw
3 Kd5 draw
4 Ke5 draw
5 Ke6 draw
6 Ke7 draw
7 Rc7 draw
8 Re7 draw
9 Rf7 draw
10 Rd8 loss in 12 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves