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 Kd4 draw
3 Kd6 draw
4 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Rc7 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Ra7 loss in 1 half-moves
17 Rh7 loss in 1 half-moves