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

EGTB: win in 4 half-moves

# move score
1 Kab4 win in 3 half-moves
2 Kb3 win in 5 half-moves
3 Kb6 win in 5 half-moves
4 Kbb4 win in 5 half-moves
5 Ka3 draw
6 Ka6 draw
7 Kc6 draw
8 Ra6 draw
9 Ra7 draw
10 Ra8 draw
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves