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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rf1 draw
3 Ka6 loss in 2 half-moves
4 Ka7 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kbb6 loss in 2 half-moves
7 Kbb8 loss in 2 half-moves
8 Kbc6 loss in 2 half-moves
9 Kbc8 loss in 2 half-moves
10 Kcb6 loss in 2 half-moves
11 Kcb8 loss in 2 half-moves
12 Kcc6 loss in 2 half-moves
13 Kcc8 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rg1 loss in 2 half-moves
26 Rh1 loss in 2 half-moves