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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kd6 draw
5 Kd7 draw
6 Rb4 draw
7 Rb7 draw
8 Rb8 draw
9 Rc1 draw
10 Rd1 draw
11 Re1 draw
12 Kb7 loss in 10 half-moves
13 Kb8 loss in 10 half-moves
14 Kc8 loss in 10 half-moves
15 Kd8 loss in 10 half-moves
16 Ra1 loss in 4 half-moves
17 Rb2 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rf1 loss in 1 half-moves