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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Kab7 draw
3 Kab8 draw
4 Kb6 draw
5 Kc6 draw
6 Kcb7 draw
7 Kd6 draw
8 Rb7 draw
9 Kc8 loss in 2 half-moves
10 Kcb8 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Ra2 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
17 Ra6 loss in 2 half-moves