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 Ra7 draw
8 Rc7 draw
9 Rd8 draw
10 Rh7 draw
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves