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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb3 draw
6 Kc1 draw
7 Kc2 draw
8 Kc3 draw
9 Ke3 draw
10 Ke4 draw
11 Kf3 draw
12 Kf5 draw
13 Kg3 draw
14 Kg4 draw
15 Kg5 draw
16 Ra1 draw
17 Ra4 draw
18 Ra5 draw
19 Ke5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves