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