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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb7 win in 7 half-moves
4 Kbb5 win in 13 half-moves
5 Ka4 draw
6 Ka7 draw
7 Kc7 draw
8 Ra7 draw
9 Ra8 draw
10 Kc5 loss in 2 half-moves
11 Kc6 loss in 2 half-moves