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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kbb6 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Ra4 win in 3 half-moves
6 Ka4 draw
7 Ka7 draw
8 Kab6 draw
9 Kb7 draw
10 Kc5 draw
11 Ra3 draw
12 Ra1 loss in 2 half-moves
13 Ra2 loss in 2 half-moves