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 Ka6 draw
3 Kb6 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Rb5 draw
8 Rb6 draw
9 Kb8 loss in 10 half-moves
10 Ra1 loss in 10 half-moves
11 Rc1 loss in 10 half-moves
12 Ka7 loss in 6 half-moves
13 Ka8 loss in 6 half-moves
14 Rb3 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rg1 loss in 1 half-moves