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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc4 win in 5 half-moves
3 Kb8 win in 7 half-moves
4 Kc5 win in 7 half-moves
5 Kc6 win in 7 half-moves
6 Rb8 win in 7 half-moves
7 Kc7 win in 9 half-moves
8 Kd4 win in 9 half-moves
9 Kd7 win in 9 half-moves
10 Kd6 draw
11 Kd8 draw
12 Ke4 draw
13 Ke5 draw
14 Ke6 draw
15 Ra3 draw
16 Ra5 draw
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves