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 Ka5 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kaa6 loss in 2 half-moves
6 Kab7 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kba6 loss in 2 half-moves
10 Kbb7 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves