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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ke5 draw
6 Ke6 draw
7 Ke7 draw
8 Kf5 draw
9 Kf7 draw
10 Kg5 draw
11 Kg6 draw
12 Kg7 draw
13 Ra3 draw
14 Ra4 draw
15 Ra5 draw
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves