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

EGTB: win in 4 half-moves

# move score
1 Ka3 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Ra2 win in 3 half-moves
5 Ra3 win in 3 half-moves
6 Ra5 win in 3 half-moves
7 Ka2 draw
8 Ka5 draw
9 Kb1 draw
10 Kb2 draw
11 Kb5 draw
12 Kc4 draw
13 Kc5 draw
14 Ra6 draw
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves