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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rb4 draw
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kcc8 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kdc8 loss in 2 half-moves
11 Kdd7 loss in 2 half-moves
12 Ke7 loss in 2 half-moves
13 Ke8 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 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 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves
24 Kb6 loss in 1 half-moves
25 Rb6 loss in 1 half-moves