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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Ka2 loss in 2 half-moves
4 Ka3 loss in 2 half-moves
5 Ka4 loss in 2 half-moves
6 Kb1 loss in 2 half-moves
7 Kbb2 loss in 2 half-moves
8 Kbc3 loss in 2 half-moves
9 Kc1 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kcb2 loss in 2 half-moves
12 Kcc3 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves