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

EGTB: win in 2 half-moves

# move score
1 Re1 win in 1 half-moves
2 Kf6 loss in 10 half-moves
3 Rg8 loss in 10 half-moves
4 Ke6 loss in 6 half-moves
5 Kf8 loss in 6 half-moves
6 Rf8 loss in 6 half-moves
7 Rh8 loss in 6 half-moves
8 Ke7 loss in 4 half-moves
9 Kg6 loss in 4 half-moves
10 Kg7 loss in 4 half-moves
11 Kg8 loss in 4 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves