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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Rb6 win in 5 half-moves
6 Rb8 win in 5 half-moves
7 K6b7 draw
8 K6c7 draw
9 K6d7 draw
10 K8b7 draw
11 K8c7 draw
12 K8d7 draw
13 Kb5 draw
14 Kd5 draw
15 Ra1 draw
16 Rb7 draw
17 Rc1 draw
18 Rd1 draw
19 Re1 draw
20 Rf1 draw
21 Kd6 loss in 2 half-moves
22 Kd8 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves