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

EGTB: win in 6 half-moves

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