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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kd6 draw
3 Ke6 draw
4 Kc7 loss in 24 half-moves
5 Ke7 loss in 14 half-moves
6 Ra5 loss in 12 half-moves
7 Ke8 loss in 10 half-moves
8 Ra6 loss in 10 half-moves
9 Rd8 loss in 10 half-moves
10 Kc6 loss in 6 half-moves
11 Kc8 loss in 4 half-moves
12 Kd8 loss in 4 half-moves
13 Ra7 loss in 4 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves