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

EGTB: win in 12 half-moves

# move score
1 Rg8 win in 11 half-moves
2 Rh8 win in 11 half-moves
3 Re8 win in 13 half-moves
4 Rf8 loss in 10 half-moves
5 Rb8 loss in 4 half-moves
6 f5 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Ra3 loss in 1 half-moves
15 Ra7 loss in 1 half-moves