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 Kb7 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Kcc7 win in 7 half-moves
6 Kdc7 win in 7 half-moves
7 Ke7 win in 7 half-moves
8 Rd8 win in 7 half-moves
9 Rh8 win in 7 half-moves
10 Kc5 win in 11 half-moves
11 Kc8 draw
12 Kd8 draw
13 Ke8 draw
14 Ra1 draw
15 Ra6 draw
16 Ra7 draw
17 Rc8 draw
18 Kcd6 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kdd6 loss in 2 half-moves
21 Ke6 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra5 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves