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

EGTB: win in 4 half-moves

# move score
1 d7 win in 3 half-moves
2 Ra5 draw
3 Ra6 draw
4 Ra7 draw
5 Rd8 loss in 10 half-moves
6 Ra1 loss in 2 half-moves
7 Ra2 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves