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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kb7 loss in 2 half-moves
3 Kb8 loss in 2 half-moves
4 Kc7 loss in 2 half-moves
5 Kd7 loss in 2 half-moves
6 Kd8 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Rb1 loss in 2 half-moves
9 Rc2 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rf1 loss in 1 half-moves