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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ka2 win in 3 half-moves
3 Kab4 win in 3 half-moves
4 Kb2 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Kba4 win in 3 half-moves
7 Kbb4 win in 3 half-moves
8 Kc2 win in 3 half-moves
9 Kc3 win in 3 half-moves
10 Kc4 win in 3 half-moves
11 Ra2 win in 3 half-moves
12 Ra4 win in 3 half-moves
13 Ka6 win in 5 half-moves
14 Kb5 win in 5 half-moves
15 Kaa4 draw