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