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

EGTB: win in 4 half-moves

# move score
1 Kba5 win in 3 half-moves
2 Kbb5 win in 3 half-moves
3 Ka3 draw
4 Ka6 draw
5 Ka7 draw
6 Kaa5 draw
7 Kab5 draw
8 Kb3 draw
9 Kb7 draw
10 Kb4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kc7 loss in 2 half-moves