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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb4 draw
6 Kc3 draw
7 Kd3 draw
8 Ra2 draw
9 Ra3 draw
10 Kb5 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb4 loss in 2 half-moves