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

EGTB: win in 8 half-moves

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