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

EGTB: win in 4 half-moves

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