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 Kg8 draw
4 Kh7 draw
5 Ra1 draw
6 Rb2 draw
7 Rg1 draw
8 Rh1 draw
9 Kb4 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc1 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 Ka4 loss in 1 half-moves
20 Ka5 loss in 1 half-moves
21 Ka6 loss in 1 half-moves