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

EGTB: win in 8 half-moves

# move score
1 Kb3 win in 7 half-moves
2 Kbb5 win in 7 half-moves
3 Kc3 win in 7 half-moves
4 Ka3 draw
5 Ka6 draw
6 Kc4 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Kab5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc5 loss in 2 half-moves