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 Kb8 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Rf8 win in 3 half-moves
6 Kc6 win in 7 half-moves
7 Kcd6 win in 7 half-moves
8 Kcd7 win in 7 half-moves
9 Ked6 win in 7 half-moves
10 Ked7 win in 7 half-moves
11 Rc8 win in 7 half-moves
12 Rd8 win in 7 half-moves
13 Re8 win in 7 half-moves
14 Ke6 win in 9 half-moves
15 Kc8 draw
16 Kcd8 draw
17 Ke8 draw
18 Ked8 draw
19 Kf8 draw
20 Ra2 draw
21 Ra7 draw
22 Kf6 loss in 2 half-moves
23 Kf7 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Ra3 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Ra5 loss in 2 half-moves
28 Ra6 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves