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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb6 draw
6 Kc4 draw
7 Kc5 draw
8 Kc6 draw
9 Ra1 draw
10 Rb3 draw
11 Rc1 draw
12 Kb4 loss in 6 half-moves
13 Rd1 loss in 4 half-moves
14 Re1 loss in 4 half-moves
15 Rb4 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rf1 loss in 1 half-moves