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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Kc8 loss in 4 half-moves
8 Kd7 loss in 4 half-moves
9 Kd8 loss in 4 half-moves
10 Rg1 loss in 4 half-moves
11 Rh1 loss in 4 half-moves
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 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 Rf1 loss in 2 half-moves
22 Ra1 loss in 1 half-moves