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

EGTB: win in 7 half-moves

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