Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ka1 win in 3 half-moves
2 Ka2 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Ra5 win in 3 half-moves
6 Ra7 win in 3 half-moves
7 Rb8 win in 3 half-moves
8 Kc5 win in 5 half-moves
9 Ra6 win in 5 half-moves
10 Kb2 win in 11 half-moves
11 Kc2 win in 11 half-moves
12 Kb7 draw
13 Kc1 draw
14 Kc7 draw
15 Kd6 draw
16 Kd7 draw
17 Ra1 draw
18 Ra4 draw
19 Rc8 draw
20 Rd8 draw
21 Re8 draw
22 Rf8 draw
23 Kd5 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Ra3 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves