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 Kd5 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Kd8 win in 3 half-moves
8 Ra5 win in 3 half-moves
9 K6b7 win in 7 half-moves
10 K8b7 win in 7 half-moves
11 Rb7 win in 7 half-moves
12 Rc7 win in 13 half-moves
13 K6c7 draw
14 K6d7 draw
15 K8c7 draw
16 K8d7 draw
17 Ra4 draw
18 Ra6 draw
19 Ra8 draw
20 Rg7 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves