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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Kg7 draw
11 Kg8 draw
12 Kh7 draw
13 Ra4 draw
14 Ra5 draw
15 Ra6 draw
16 Ra7 draw
17 Rb3 draw
18 Rf3 draw
19 Rg3 draw
20 Rh3 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves