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

EGTB: win in 10 half-moves

# move score
1 Rd8 win in 9 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd6 draw
5 Ke6 draw
6 Ra3 draw
7 Ra5 draw
8 Rb8 draw
9 Rc8 draw
10 Re8 draw
11 Rf8 draw
12 Ra6 loss in 8 half-moves
13 Kd8 loss in 6 half-moves
14 Ke7 loss in 6 half-moves
15 Ra7 loss in 6 half-moves
16 Kc8 loss in 4 half-moves
17 Ke8 loss in 4 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves