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 Rb8 win in 3 half-moves
4 Kb7 win in 7 half-moves
5 Kc7 win in 7 half-moves
6 Kd7 win in 7 half-moves
7 Ra7 win in 7 half-moves
8 Ra5 win in 9 half-moves
9 Kc3 draw
10 Kc4 draw
11 Kcc5 draw
12 Kcd5 draw
13 Kd3 draw
14 Kd6 draw
15 Kdc5 draw
16 Kdd5 draw
17 Ke3 draw
18 Ke4 draw
19 Ke5 draw
20 Ra1 draw
21 Ra4 draw
22 Ra6 draw
23 Rc8 draw
24 Rd8 draw
25 Re8 draw
26 Rf8 draw
27 Ra2 loss in 2 half-moves
28 Ra3 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves