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 Kb7 win in 3 half-moves
3 Rb3 win in 3 half-moves
4 Rc3 win in 3 half-moves
5 Rd3 win in 3 half-moves
6 Re3 win in 3 half-moves
7 Ra8 win in 5 half-moves
8 Kb8 draw
9 Kc4 draw
10 Kc5 draw
11 Kc8 draw
12 Kcc6 draw
13 Kcd6 draw
14 Kd4 draw
15 Kd7 draw
16 Kd8 draw
17 Kdc6 draw
18 Kdd6 draw
19 Ra1 draw
20 Ra2 draw
21 Ra5 draw
22 Ra7 draw
23 Rf3 draw
24 Ke4 loss in 2 half-moves
25 Ke5 loss in 2 half-moves
26 Ke6 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Ra6 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh3 loss in 2 half-moves