Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kb3 loss in 2 half-moves
3 Kb4 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Kc3 loss in 2 half-moves
6 Kc5 loss in 2 half-moves
7 Kd3 loss in 2 half-moves
8 Kd4 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Ra7 loss in 1 half-moves
17 Rg7 loss in 1 half-moves
18 Rh7 loss in 1 half-moves