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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ka1 draw
4 Ka3 draw
5 Ka5 draw
6 Ka7 draw
7 Kb1 draw
8 Kb3 draw
9 Kb7 draw
10 Kc1 draw
11 Ra1 draw
12 Kc2 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves