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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc7 draw
11 Kd6 draw
12 Kd7 draw
13 Ra1 draw
14 Rb5 draw
15 Rb6 draw
16 Rb8 draw
17 Rc1 draw
18 Rd1 draw
19 Rh1 draw
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves