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

EGTB: win in 10 half-moves

# move score
1 Kd8 win in 9 half-moves
2 Kf8 win in 13 half-moves
3 Ra8 win in 13 half-moves
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Ka6 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves