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

EGTB: win in 6 half-moves

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