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 Rd8 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Kc5 draw
5 Kc6 draw
6 Kc7 draw
7 Kd5 draw
8 Ke7 draw
9 Ra7 draw
10 Rc7 draw
11 Re7 draw
12 Rg7 draw
13 Ke5 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Rh7 loss in 2 half-moves