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