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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Ra2 win in 3 half-moves
5 Ra5 win in 3 half-moves
6 Ka6 win in 7 half-moves
7 Ka7 win in 7 half-moves
8 Kb5 win in 7 half-moves
9 Kb7 win in 7 half-moves
10 Ra1 win in 7 half-moves
11 Ka5 win in 11 half-moves
12 Ka2 draw
13 Kb2 draw
14 Kc2 draw
15 Kc3 draw
16 Ra4 draw
17 Ra6 draw
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves