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 Rb8 win in 3 half-moves
4 Kb5 win in 5 half-moves
5 Ked7 win in 5 half-moves
6 Kcd5 win in 7 half-moves
7 Kcd7 win in 7 half-moves
8 Ke7 win in 7 half-moves
9 Kc7 win in 9 half-moves
10 Ra7 win in 9 half-moves
11 Rd8 win in 9 half-moves
12 Kc5 draw
13 Kcd6 draw
14 Ke5 draw
15 Ked5 draw
16 Ked6 draw
17 Ra2 draw
18 Ra6 draw
19 Rc8 draw
20 Re8 draw
21 Kf5 loss in 2 half-moves
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 Rf8 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves