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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ke6 draw
11 Ke8 draw
12 Kf6 draw
13 Kf7 draw
14 Kf8 draw
15 Ra3 draw
16 Ra4 draw
17 Rh5 draw
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rg5 loss in 2 half-moves