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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Ka7 draw
5 Kb4 draw
6 Kb5 draw
7 Kb6 draw
8 Kb7 draw
9 Kb8 draw
10 Ra1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb7 draw
14 Rc1 draw
15 Rd1 draw
16 Rf1 draw
17 Rg1 draw
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves