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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Re8 loss in 10 half-moves
3 Re7 loss in 6 half-moves
4 Re3 loss in 4 half-moves
5 Kg6 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kg8 loss in 2 half-moves
8 Kh6 loss in 2 half-moves
9 Kh8 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Re5 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Rb6 loss in 1 half-moves
16 Rc6 loss in 1 half-moves
17 Rd6 loss in 1 half-moves
18 Re1 loss in 1 half-moves
19 Re2 loss in 1 half-moves