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 Ra1 loss in 2 half-moves
3 Rb1 loss in 2 half-moves
4 Rc5 loss in 2 half-moves
5 Rc6 loss in 2 half-moves
6 Rf1 loss in 2 half-moves
7 Rg1 loss in 2 half-moves
8 Kb6 loss in 1 half-moves
9 Kb7 loss in 1 half-moves
10 Kb8 loss in 1 half-moves
11 Kc6 loss in 1 half-moves
12 Kc8 loss in 1 half-moves
13 Kd6 loss in 1 half-moves
14 Kd7 loss in 1 half-moves
15 Kd8 loss in 1 half-moves
16 Rc2 loss in 1 half-moves
17 Rc3 loss in 1 half-moves
18 Rd1 loss in 1 half-moves
19 Re1 loss in 1 half-moves
20 Rh1 loss in 1 half-moves