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 Ra7 win in 3 half-moves
3 Ra8 win in 3 half-moves
4 Rg4 win in 5 half-moves
5 Rh4 win in 5 half-moves
6 Kf7 draw
7 Kf8 draw
8 Kg6 draw
9 Kgg7 draw
10 Kgh8 draw
11 Kh6 draw
12 Khg7 draw
13 Khh8 draw
14 Ra3 draw
15 Ra5 draw
16 Rb4 draw
17 Rf4 draw
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves